diff options
Diffstat (limited to 'drivers/char')
62 files changed, 198 insertions, 83 deletions
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index 73dbf40c874d..a7637d72cef6 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -6,9 +6,9 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/agp_backend.h> -#include <linux/gfp.h> #include <linux/page-flags.h> #include <linux/mm.h> +#include <linux/slab.h> #include "agp.h" #define AMD_MMBASE 0x14 diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c index c3ab46da51a3..ee4f855611b6 100644 --- a/drivers/char/agp/backend.c +++ b/drivers/char/agp/backend.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/pagemap.h> #include <linux/miscdevice.h> #include <linux/pm.h> diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c index 58c57cb2518c..9d2c97a69cdd 100644 --- a/drivers/char/agp/compat_ioctl.c +++ b/drivers/char/agp/compat_ioctl.c @@ -30,6 +30,7 @@ #include <linux/pci.h> #include <linux/fs.h> #include <linux/agpgart.h> +#include <linux/slab.h> #include <asm/uaccess.h> #include "agp.h" #include "compat_ioctl.h" diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index c50543966eb2..fb86708e47ed 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -38,6 +38,7 @@ #include <linux/dma-mapping.h> #include <linux/mm.h> #include <linux/sched.h> +#include <linux/slab.h> #include <asm/io.h> #include <asm/cacheflush.h> #include <asm/pgtable.h> diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c index 58752b70efea..056b289a1e89 100644 --- a/drivers/char/agp/hp-agp.c +++ b/drivers/char/agp/hp-agp.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/agp_backend.h> #include <linux/log2.h> +#include <linux/slab.h> #include <asm/acpi-ext.h> diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index a3e10dc7cc25..d41331bc2aa7 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -4,6 +4,7 @@ #include <linux/module.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/pagemap.h> @@ -97,6 +98,9 @@ EXPORT_SYMBOL(intel_agp_enabled); #define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB) +#define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \ + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) + #define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \ @@ -107,8 +111,7 @@ EXPORT_SYMBOL(intel_agp_enabled); agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \ - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \ - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) + IS_SNB) extern int agp_memory_reserved; @@ -175,6 +178,10 @@ extern int agp_memory_reserved; #define SNB_GMCH_GMS_STOLEN_448M (0xe << 3) #define SNB_GMCH_GMS_STOLEN_480M (0xf << 3) #define SNB_GMCH_GMS_STOLEN_512M (0x10 << 3) +#define SNB_GTT_SIZE_0M (0 << 8) +#define SNB_GTT_SIZE_1M (1 << 8) +#define SNB_GTT_SIZE_2M (2 << 8) +#define SNB_GTT_SIZE_MASK (3 << 8) static const struct aper_size_info_fixed intel_i810_sizes[] = { @@ -1200,6 +1207,9 @@ static void intel_i9xx_setup_flush(void) if (intel_private.ifp_resource.start) return; + if (IS_SNB) + return; + /* setup a resource for this object */ intel_private.ifp_resource.name = "Intel Flush Page"; intel_private.ifp_resource.flags = IORESOURCE_MEM; @@ -1438,6 +1448,8 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge, static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) { + u16 snb_gmch_ctl; + switch (agp_bridge->dev->device) { case PCI_DEVICE_ID_INTEL_GM45_HB: case PCI_DEVICE_ID_INTEL_EAGLELAKE_HB: @@ -1449,9 +1461,26 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) case PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB: case PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB: case PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB: + *gtt_offset = *gtt_size = MB(2); + break; case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB: case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB: - *gtt_offset = *gtt_size = MB(2); + *gtt_offset = MB(2); + + pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl); + switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) { + default: + case SNB_GTT_SIZE_0M: + printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl); + *gtt_size = MB(0); + break; + case SNB_GTT_SIZE_1M: + *gtt_size = MB(1); + break; + case SNB_GTT_SIZE_2M: + *gtt_size = MB(2); + break; + } break; default: *gtt_offset = *gtt_size = KB(512); diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index 7e36d2b4f9d4..10f24e349a26 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -8,7 +8,6 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/agp_backend.h> -#include <linux/gfp.h> #include <linux/page-flags.h> #include <linux/mm.h> #include <linux/jiffies.h> diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c index 0d426ae39c85..ffa888cd1c88 100644 --- a/drivers/char/agp/sgi-agp.c +++ b/drivers/char/agp/sgi-agp.c @@ -14,6 +14,7 @@ #include <linux/acpi.h> #include <linux/module.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/agp_backend.h> #include <asm/sn/addrs.h> diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c index d89da4ac061f..6f48931ac1ce 100644 --- a/drivers/char/agp/uninorth-agp.c +++ b/drivers/char/agp/uninorth-agp.c @@ -3,6 +3,7 @@ */ #include <linux/module.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/pagemap.h> #include <linux/agp_backend.h> diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 6c32fbf07164..56b27671adc4 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -2021,8 +2021,6 @@ static int __init rs_init(void) state->baud_base = amiga_colorclock; state->xmit_fifo_size = 1; - local_irq_save(flags); - /* set ISRs, and then disable the rx interrupts */ error = request_irq(IRQ_AMIGA_TBE, ser_tx_int, 0, "serial TX", state); if (error) @@ -2033,6 +2031,8 @@ static int __init rs_init(void) if (error) goto fail_free_irq; + local_irq_save(flags); + /* turn off Rx and Tx interrupts */ custom.intena = IF_RBF | IF_TBE; mb(); diff --git a/drivers/char/bfin_jtag_comm.c b/drivers/char/bfin_jtag_comm.c index 2628c7415ea8..e397df3ad98e 100644 --- a/drivers/char/bfin_jtag_comm.c +++ b/drivers/char/bfin_jtag_comm.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/mutex.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/tty.h> #include <linux/tty_driver.h> #include <linux/tty_flip.h> diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c index d8cff909001c..555cd93c2ee5 100644 --- a/drivers/char/briq_panel.c +++ b/drivers/char/briq_panel.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> #include <linux/wait.h> #include <linux/string.h> -#include <linux/slab.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/miscdevice.h> diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c index c02db01f736e..7fef305774de 100644 --- a/drivers/char/bsr.c +++ b/drivers/char/bsr.c @@ -27,6 +27,7 @@ #include <linux/cdev.h> #include <linux/list.h> #include <linux/mm.h> +#include <linux/slab.h> #include <asm/pgtable.h> #include <asm/io.h> diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index b861c08263a4..9824b4162904 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -79,6 +79,7 @@ #include <linux/bitops.h> #include <linux/firmware.h> #include <linux/device.h> +#include <linux/slab.h> #include <linux/io.h> #include <linux/uaccess.h> diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index 85832ab924e6..8a1b28a10ef0 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -24,7 +24,6 @@ */ #include <linux/module.h> -#include <linux/slab.h> /* for kmalloc() and kfree() */ #include <linux/major.h> #include <linux/types.h> #include <linux/errno.h> diff --git a/drivers/char/epca.c b/drivers/char/epca.c index 17b044a71e02..6f5ffe1320f7 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -36,7 +36,6 @@ #include <linux/ctype.h> #include <linux/tty.h> #include <linux/tty_flip.h> -#include <linux/slab.h> #include <linux/smp_lock.h> #include <linux/ioport.h> #include <linux/interrupt.h> diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c index d400cbd280f2..5954ee1dc953 100644 --- a/drivers/char/generic_serial.c +++ b/drivers/char/generic_serial.c @@ -29,6 +29,7 @@ #include <linux/interrupt.h> #include <linux/tty_flip.h> #include <linux/delay.h> +#include <linux/gfp.h> #include <asm/uaccess.h> #define DEBUG diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index e481c5938bad..9ded667625ac 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -31,6 +31,7 @@ #include <linux/seq_file.h> #include <linux/bitops.h> #include <linux/clocksource.h> +#include <linux/slab.h> #include <asm/current.h> #include <asm/uaccess.h> @@ -215,9 +216,7 @@ static void hpet_timer_set_irq(struct hpet_dev *devp) else v &= ~0xffff; - for (irq = find_first_bit(&v, HPET_MAX_IRQ); irq < HPET_MAX_IRQ; - irq = find_next_bit(&v, HPET_MAX_IRQ, 1 + irq)) { - + for_each_set_bit(irq, &v, HPET_MAX_IRQ) { if (irq >= nr_irqs) { irq = HPET_MAX_IRQ; break; diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 465185fc0f52..35cca4c7fb18 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -38,6 +38,7 @@ #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/freezer.h> +#include <linux/slab.h> #include <asm/uaccess.h> @@ -312,6 +313,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) spin_lock_irqsave(&hp->lock, flags); /* Check and then increment for fast path open. */ if (hp->count++ > 0) { + tty_kref_get(tty); spin_unlock_irqrestore(&hp->lock, flags); hvc_kick(); return 0; @@ -319,7 +321,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) tty->driver_data = hp; - hp->tty = tty; + hp->tty = tty_kref_get(tty); spin_unlock_irqrestore(&hp->lock, flags); @@ -336,6 +338,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) spin_lock_irqsave(&hp->lock, flags); hp->tty = NULL; spin_unlock_irqrestore(&hp->lock, flags); + tty_kref_put(tty); tty->driver_data = NULL; kref_put(&hp->kref, destroy_hvc_struct); printk(KERN_ERR "hvc_open: request_irq failed with rc %d.\n", rc); @@ -363,6 +366,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) return; hp = tty->driver_data; + spin_lock_irqsave(&hp->lock, flags); if (--hp->count == 0) { @@ -389,6 +393,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) spin_unlock_irqrestore(&hp->lock, flags); } + tty_kref_put(tty); kref_put(&hp->kref, destroy_hvc_struct); } @@ -424,10 +429,11 @@ static void hvc_hangup(struct tty_struct *tty) spin_unlock_irqrestore(&hp->lock, flags); if (hp->ops->notifier_hangup) - hp->ops->notifier_hangup(hp, hp->data); + hp->ops->notifier_hangup(hp, hp->data); while(temp_open_count) { --temp_open_count; + tty_kref_put(tty); kref_put(&hp->kref, destroy_hvc_struct); } } @@ -592,7 +598,7 @@ int hvc_poll(struct hvc_struct *hp) } /* No tty attached, just skip */ - tty = hp->tty; + tty = tty_kref_get(hp->tty); if (tty == NULL) goto bail; @@ -672,6 +678,8 @@ int hvc_poll(struct hvc_struct *hp) tty_flip_buffer_push(tty); } + if (tty) + tty_kref_put(tty); return poll_mask; } @@ -807,7 +815,7 @@ int hvc_remove(struct hvc_struct *hp) struct tty_struct *tty; spin_lock_irqsave(&hp->lock, flags); - tty = hp->tty; + tty = tty_kref_get(hp->tty); if (hp->index < MAX_NR_HVC_CONSOLES) vtermnos[hp->index] = -1; @@ -819,18 +827,18 @@ int hvc_remove(struct hvc_struct *hp) /* * We 'put' the instance that was grabbed when the kref instance * was initialized using kref_init(). Let the last holder of this - * kref cause it to be removed, which will probably be the tty_hangup + * kref cause it to be removed, which will probably be the tty_vhangup * below. */ kref_put(&hp->kref, destroy_hvc_struct); /* - * This function call will auto chain call hvc_hangup. The tty should - * always be valid at this time unless a simultaneous tty close already - * cleaned up the hvc_struct. + * This function call will auto chain call hvc_hangup. */ - if (tty) - tty_hangup(tty); + if (tty) { + tty_vhangup(tty); + tty_kref_put(tty); + } return 0; } EXPORT_SYMBOL_GPL(hvc_remove); diff --git a/drivers/char/hvc_iucv.c b/drivers/char/hvc_iucv.c index 37b0542a4eeb..5a80ad68ef22 100644 --- a/drivers/char/hvc_iucv.c +++ b/drivers/char/hvc_iucv.c @@ -12,6 +12,7 @@ #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt #include <linux/types.h> +#include <linux/slab.h> #include <asm/ebcdic.h> #include <linux/ctype.h> #include <linux/delay.h> diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index 266b858b8f85..bedc6c1b6fa5 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -74,6 +74,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/spinlock.h> #include <linux/stat.h> #include <linux/tty.h> diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c index 91b53eb1c053..86fe45c19968 100644 --- a/drivers/char/hw_random/intel-rng.c +++ b/drivers/char/hw_random/intel-rng.c @@ -30,6 +30,7 @@ #include <linux/pci.h> #include <linux/stop_machine.h> #include <linux/delay.h> +#include <linux/slab.h> #include <asm/io.h> diff --git a/drivers/char/hw_random/octeon-rng.c b/drivers/char/hw_random/octeon-rng.c index 54b0d9ba65cf..9cd0feca318c 100644 --- a/drivers/char/hw_random/octeon-rng.c +++ b/drivers/char/hw_random/octeon-rng.c @@ -15,6 +15,7 @@ #include <linux/device.h> #include <linux/hw_random.h> #include <linux/io.h> +#include <linux/gfp.h> #include <asm/octeon/octeon.h> #include <asm/octeon/cvmx-rnm-defs.h> diff --git a/drivers/char/hw_random/tx4939-rng.c b/drivers/char/hw_random/tx4939-rng.c index 544d9085a8e8..0bc0cb70210b 100644 --- a/drivers/char/hw_random/tx4939-rng.c +++ b/drivers/char/hw_random/tx4939-rng.c @@ -14,6 +14,7 @@ #include <linux/io.h> #include <linux/platform_device.h> #include <linux/hw_random.h> +#include <linux/gfp.h> #define TX4939_RNG_RCSR 0x00000000 #define TX4939_RNG_ROR(n) (0x00000018 + (n) * 8) diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index ec5e3f8df648..c6ad4234378d 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -2272,42 +2272,52 @@ static int create_files(struct bmc_device *bmc) bmc->device_id_attr.attr.name = "device_id"; bmc->device_id_attr.attr.mode = S_IRUGO; bmc->device_id_attr.show = device_id_show; + sysfs_attr_init(&bmc->device_id_attr.attr); bmc->provides_dev_sdrs_attr.attr.name = "provides_device_sdrs"; bmc->provides_dev_sdrs_attr.attr.mode = S_IRUGO; bmc->provides_dev_sdrs_attr.show = provides_dev_sdrs_show; + sysfs_attr_init(&bmc->provides_dev_sdrs_attr.attr); bmc->revision_attr.attr.name = "revision"; bmc->revision_attr.attr.mode = S_IRUGO; bmc->revision_attr.show = revision_show; + sysfs_attr_init(&bmc->revision_attr.attr); bmc->firmware_rev_attr.attr.name = "firmware_revision"; bmc->firmware_rev_attr.attr.mode = S_IRUGO; bmc->firmware_rev_attr.show = firmware_rev_show; + sysfs_attr_init(&bmc->firmware_rev_attr.attr); bmc->version_attr.attr.name = "ipmi_version"; bmc->version_attr.attr.mode = S_IRUGO; bmc->version_attr.show = ipmi_version_show; + sysfs_attr_init(&bmc->version_attr.attr); bmc->add_dev_support_attr.attr.name = "additional_device_support"; bmc->add_dev_support_attr.attr.mode = S_IRUGO; bmc->add_dev_support_attr.show = add_dev_support_show; + sysfs_attr_init(&bmc->add_dev_support_attr.attr); bmc->manufacturer_id_attr.attr.name = "manufacturer_id"; bmc->manufacturer_id_attr.attr.mode = S_IRUGO; bmc->manufacturer_id_attr.show = manufacturer_id_show; + sysfs_attr_init(&bmc->manufacturer_id_attr.attr); bmc->product_id_attr.attr.name = "product_id"; bmc->product_id_attr.attr.mode = S_IRUGO; bmc->product_id_attr.show = product_id_show; + sysfs_attr_init(&bmc->product_id_attr.attr); bmc->guid_attr.attr.name = "guid"; bmc->guid_attr.attr.mode = S_IRUGO; bmc->guid_attr.show = guid_show; + sysfs_attr_init(&bmc->guid_attr.attr); bmc->aux_firmware_rev_attr.attr.name = "aux_firmware_revision"; bmc->aux_firmware_rev_attr.attr.mode = S_IRUGO; bmc->aux_firmware_rev_attr.show = aux_firmware_rev_show; + sysfs_attr_init(&bmc->aux_firmware_rev_attr.attr); err = device_create_file(&bmc->dev->dev, &bmc->device_id_attr); diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index be2e8f9a27c3..0fa2e4a0835d 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -130,6 +130,7 @@ #include <linux/timer.h> #include <linux/delay.h> #include <linux/ioport.h> +#include <linux/slab.h> #include <linux/uaccess.h> #include <linux/io.h> diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c index 87c67b42bc08..83bef4efe376 100644 --- a/drivers/char/mbcs.c +++ b/drivers/char/mbcs.c @@ -26,6 +26,7 @@ #include <linux/uio.h> #include <linux/mutex.h> #include <linux/smp_lock.h> +#include <linux/slab.h> #include <asm/io.h> #include <asm/uaccess.h> #include <asm/system.h> diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 1f3215ac085b..f54dab8acdcd 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -225,6 +225,7 @@ int __weak phys_mem_access_prot_allowed(struct file *file, * outside of main memory. * */ +#ifdef pgprot_noncached static int uncached_access(struct file *file, unsigned long addr) { #if defined(CONFIG_IA64) @@ -251,6 +252,7 @@ static int uncached_access(struct file *file, unsigned long addr) return addr >= __pa(high_memory); #endif } +#endif static pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot) @@ -710,11 +712,6 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig) switch (orig) { case SEEK_CUR: offset += file->f_pos; - if ((unsigned long long)offset < - (unsigned long long)file->f_pos) { - ret = -EOVERFLOW; - break; - } case SEEK_SET: /* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */ if ((unsigned long long)offset >= ~0xFFFULL) { @@ -908,6 +905,9 @@ static int __init chr_dev_init(void) printk("unable to get major %d for memory devs\n", MEM_MAJOR); mem_class = class_create(THIS_MODULE, "mem"); + if (IS_ERR(mem_class)) + return PTR_ERR(mem_class); + mem_class->devnode = mem_devnode; for (minor = 1; minor < ARRAY_SIZE(devlist); minor++) { if (!devlist[minor].name) diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 94a136e96c06..92ab03d28294 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -40,7 +40,6 @@ #include <linux/miscdevice.h> #include <linux/kernel.h> #include <linux/major.h> -#include <linux/slab.h> #include <linux/mutex.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> @@ -49,6 +48,7 @@ #include <linux/device.h> #include <linux/tty.h> #include <linux/kmod.h> +#include <linux/gfp.h> /* * Head entry for the doubly linked miscdevice list diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index 04fd0d843b3b..ea7c99fa978f 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -33,6 +33,7 @@ #include <linux/time.h> #include <linux/math64.h> #include <linux/smp_lock.h> +#include <linux/slab.h> #include <asm/uaccess.h> #include <asm/sn/addrs.h> diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 166495d6a1d7..107b0bd58d19 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -43,6 +43,7 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/bitops.h> +#include <linux/slab.h> #include <asm/system.h> #include <asm/io.h> diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index e0c5d2a69046..47023053ee85 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -33,12 +33,12 @@ #include <linux/string.h> #include <linux/fcntl.h> #include <linux/ptrace.h> -#include <linux/gfp.h> #include <linux/ioport.h> #include <linux/mm.h> #include <linux/delay.h> #include <linux/pci.h> #include <linux/bitops.h> +#include <linux/slab.h> #include <asm/system.h> #include <asm/io.h> @@ -1768,7 +1768,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, int len, lsr; len = mxser_chars_in_buffer(tty); - spin_lock(&info->slock); + spin_lock_irq(&info->slock); lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_THRE; spin_unlock_irq(&info->slock); len += (lsr ? 0 : 1); @@ -1778,12 +1778,12 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, case MOXA_ASPP_MON: { int mcr, status; - spin_lock(&info->slock); + spin_lock_irq(&info->slock); status = mxser_get_msr(info->ioaddr, 1, tty->index); mxser_check_modem_status(tty, info, status); mcr = inb(info->ioaddr + UART_MCR); - spin_unlock(&info->slock); + spin_unlock_irq(&info->slock); if (mcr & MOXA_MUST_MCR_XON_FLAG) info->mon_data.hold_reason &= ~NPPI_NOTIFY_XOFFHOLD; diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index a3f32a15fde4..a6638003f530 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -55,6 +55,7 @@ #include <linux/init.h> #include <linux/kfifo.h> #include <linux/uaccess.h> +#include <linux/slab.h> #include <asm/byteorder.h> #include <linux/delay.h> diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c index 5eb83c3ca20d..47e8f7b0e4c1 100644 --- a/drivers/char/nvram.c +++ b/drivers/char/nvram.c @@ -100,7 +100,6 @@ #include <linux/types.h> #include <linux/errno.h> #include <linux/miscdevice.h> -#include <linux/slab.h> #include <linux/ioport.h> #include <linux/fcntl.h> #include <linux/mc146818rtc.h> diff --git a/drivers/char/pcmcia/ipwireless/network.c b/drivers/char/pcmcia/ipwireless/network.c index 590762a7f217..65920163f53d 100644 --- a/drivers/char/pcmcia/ipwireless/network.c +++ b/drivers/char/pcmcia/ipwireless/network.c @@ -21,6 +21,7 @@ #include <linux/netdevice.h> #include <linux/ppp_channel.h> #include <linux/ppp_defs.h> +#include <linux/slab.h> #include <linux/if_ppp.h> #include <linux/skbuff.h> diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index 432655bcb04c..fdd37543aa79 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -64,6 +64,7 @@ #include <linux/parport.h> #include <linux/ctype.h> #include <linux/poll.h> +#include <linux/slab.h> #include <linux/major.h> #include <linux/ppdev.h> #include <linux/smp_lock.h> diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c index f424d394a286..606048b72bcf 100644 --- a/drivers/char/ps3flash.c +++ b/drivers/char/ps3flash.c @@ -20,6 +20,7 @@ #include <linux/fs.h> #include <linux/miscdevice.h> +#include <linux/slab.h> #include <linux/uaccess.h> #include <asm/lv1call.h> diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 5ee424817263..d83a43130df4 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -29,6 +29,7 @@ #include <linux/uaccess.h> #include <linux/bitops.h> #include <linux/devpts_fs.h> +#include <linux/slab.h> #include <asm/system.h> diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 64acd05f71c8..8756ab0daa8b 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -20,6 +20,7 @@ #include <linux/device.h> #include <linux/mutex.h> #include <linux/smp_lock.h> +#include <linux/gfp.h> #include <asm/uaccess.h> @@ -247,6 +248,7 @@ static const struct file_operations raw_fops = { .aio_read = generic_file_aio_read, .write = do_sync_write, .aio_write = blkdev_aio_write, + .fsync = blkdev_fsync, .open = raw_open, .release= raw_release, .ioctl = raw_ioctl, diff --git a/drivers/char/rio/rioinit.c b/drivers/char/rio/rioinit.c index be0ba401966e..24a282bb89d4 100644 --- a/drivers/char/rio/rioinit.c +++ b/drivers/char/rio/rioinit.c @@ -31,7 +31,6 @@ */ #include <linux/module.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/delay.h> #include <asm/io.h> diff --git a/drivers/char/rio/riointr.c b/drivers/char/rio/riointr.c index 71f87600907c..2e71aecae206 100644 --- a/drivers/char/rio/riointr.c +++ b/drivers/char/rio/riointr.c @@ -31,7 +31,6 @@ */ #include <linux/module.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/tty.h> #include <linux/tty_flip.h> diff --git a/drivers/char/rio/rioparam.c b/drivers/char/rio/rioparam.c index d687c17be152..6415f3f32a72 100644 --- a/drivers/char/rio/rioparam.c +++ b/drivers/char/rio/rioparam.c @@ -31,7 +31,6 @@ */ #include <linux/module.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/tty.h> #include <asm/io.h> diff --git a/drivers/char/rio/rioroute.c b/drivers/char/rio/rioroute.c index 706c2a25f7aa..f9b936ac3394 100644 --- a/drivers/char/rio/rioroute.c +++ b/drivers/char/rio/rioroute.c @@ -31,7 +31,6 @@ */ #include <linux/module.h> -#include <linux/slab.h> #include <linux/errno.h> #include <asm/io.h> #include <asm/system.h> diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c index 47fab7c33073..8a90393faf3c 100644 --- a/drivers/char/rio/riotty.c +++ b/drivers/char/rio/riotty.c @@ -34,7 +34,6 @@ #include <linux/module.h> #include <linux/sched.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/tty.h> #include <linux/string.h> diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index 1ec3d5cd748f..8dfd24721a82 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -64,6 +64,7 @@ #include <linux/module.h> #include <linux/bitops.h> #include <linux/tty_flip.h> +#include <linux/gfp.h> #include <asm/system.h> #include <asm/io.h> diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c index 55a95892ccf9..ee156948b9f8 100644 --- a/drivers/char/snsc_event.c +++ b/drivers/char/snsc_event.c @@ -17,6 +17,7 @@ #include <linux/interrupt.h> #include <linux/sched.h> +#include <linux/slab.h> #include <asm/byteorder.h> #include <asm/sn/sn_sal.h> #include <asm/unaligned.h> diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index bba727c3807e..73f66d03624d 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -50,6 +50,7 @@ #include <linux/err.h> #include <linux/kfifo.h> #include <linux/platform_device.h> +#include <linux/gfp.h> #include <asm/uaccess.h> #include <asm/io.h> diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index 07ac14d949ce..2c24fcdc722a 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -94,6 +94,7 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/uaccess.h> +#include <linux/gfp.h> #include "specialix_io8.h" #include "cd1865.h" diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 1ae2de7d8b4f..59de2525d303 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -38,6 +38,7 @@ #include <linux/workqueue.h> #include <linux/hrtimer.h> #include <linux/oom.h> +#include <linux/slab.h> #include <asm/ptrace.h> #include <asm/irq_regs.h> diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index f06bb37defb1..068c816e6942 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -24,6 +24,7 @@ */ #include <linux/poll.h> +#include <linux/slab.h> #include <linux/mutex.h> #include <linux/spinlock.h> diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c index bf2170fb1cdd..0636520fa9bf 100644 --- a/drivers/char/tpm/tpm_bios.c +++ b/drivers/char/tpm/tpm_bios.c @@ -22,6 +22,7 @@ #include <linux/fs.h> #include <linux/security.h> #include <linux/module.h> +#include <linux/slab.h> #include <acpi/acpi.h> #include "tpm.h" diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c index 70efba2ee053..a605cb7dd898 100644 --- a/drivers/char/tpm/tpm_nsc.c +++ b/drivers/char/tpm/tpm_nsc.c @@ -20,6 +20,7 @@ */ #include <linux/platform_device.h> +#include <linux/slab.h> #include "tpm.h" /* National definitions */ diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 2405f17b29dd..94345994f8a6 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/pnp.h> +#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/wait.h> #include "tpm.h" diff --git a/drivers/char/tty_audit.c b/drivers/char/tty_audit.c index 283a15bc84e3..1b8ee590b4ca 100644 --- a/drivers/char/tty_audit.c +++ b/drivers/char/tty_audit.c @@ -10,6 +10,7 @@ */ #include <linux/audit.h> +#include <linux/slab.h> #include <linux/tty.h> struct tty_audit_buf { diff --git a/drivers/char/tty_buffer.c b/drivers/char/tty_buffer.c index af8d97715728..7ee52164d474 100644 --- a/drivers/char/tty_buffer.c +++ b/drivers/char/tty_buffer.c @@ -248,7 +248,7 @@ int tty_insert_flip_string_fixed_flag(struct tty_struct *tty, { int copied = 0; do { - int goal = min(size - copied, TTY_BUFFER_PAGE); + int goal = min_t(size_t, size - copied, TTY_BUFFER_PAGE); int space = tty_buffer_request_room(tty, goal); struct tty_buffer *tb = tty->buf.tail; /* If there is no space then tb may be NULL */ @@ -285,7 +285,7 @@ int tty_insert_flip_string_flags(struct tty_struct *tty, { int copied = 0; do { - int goal = min(size - copied, TTY_BUFFER_PAGE); + int goal = min_t(size_t, size - copied, TTY_BUFFER_PAGE); int space = tty_buffer_request_room(tty, goal); struct tty_buffer *tb = tty->buf.tail; /* If there is no space then tb may be NULL */ diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index a42c466f7092..6da962c9b21c 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1423,6 +1423,8 @@ static void release_one_tty(struct work_struct *work) list_del_init(&tty->tty_files); file_list_unlock(); + put_pid(tty->pgrp); + put_pid(tty->session); free_tty_struct(tty); } diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c index be492dd66437..a3bd1d0b66cf 100644 --- a/drivers/char/tty_port.c +++ b/drivers/char/tty_port.c @@ -119,7 +119,7 @@ EXPORT_SYMBOL(tty_port_tty_set); static void tty_port_shutdown(struct tty_port *port) { mutex_lock(&port->mutex); - if (port->ops->shutdown && + if (port->ops->shutdown && !port->console && test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags)) port->ops->shutdown(port); mutex_unlock(&port->mutex); diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c index 042c8149a6d1..1144a04cda6e 100644 --- a/drivers/char/viotape.c +++ b/drivers/char/viotape.c @@ -47,6 +47,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/smp_lock.h> +#include <linux/slab.h> #include <asm/uaccess.h> #include <asm/ioctls.h> diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index f404ccfc9c20..196428c2287a 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -25,6 +25,7 @@ #include <linux/list.h> #include <linux/poll.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/spinlock.h> #include <linux/virtio.h> #include <linux/virtio_console.h> @@ -32,6 +33,35 @@ #include <linux/workqueue.h> #include "hvc_console.h" +/* Moved here from .h file in order to disable MULTIPORT. */ +#define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */ + +struct virtio_console_multiport_conf { + struct virtio_console_config config; + /* max. number of ports this device can hold */ + __u32 max_nr_ports; + /* number of ports added so far */ + __u32 nr_ports; +} __attribute__((packed)); + +/* + * A message that's passed between the Host and the Guest for a + * particular port. + */ +struct virtio_console_control { + __u32 id; /* Port number */ + __u16 event; /* The kind of control event (see below) */ + __u16 value; /* Extra information for the key */ +}; + +/* Some events for control messages */ +#define VIRTIO_CONSOLE_PORT_READY 0 +#define VIRTIO_CONSOLE_CONSOLE_PORT 1 +#define VIRTIO_CONSOLE_RESIZE 2 +#define VIRTIO_CONSOLE_PORT_OPEN 3 +#define VIRTIO_CONSOLE_PORT_NAME 4 +#define VIRTIO_CONSOLE_PORT_REMOVE 5 + /* * This is a global struct for storing common data for all the devices * this driver handles. @@ -120,7 +150,7 @@ struct ports_device { spinlock_t cvq_lock; /* The current config space is stored here */ - struct virtio_console_config config; + struct virtio_console_multiport_conf config; /* The virtio device we're associated with */ struct virtio_device *vdev; @@ -415,20 +445,16 @@ static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count) out_vq->vq_ops->kick(out_vq); if (ret < 0) { - len = 0; + in_count = 0; goto fail; } - /* - * Wait till the host acknowledges it pushed out the data we - * sent. Also ensure we return to userspace the number of - * bytes that were successfully consumed by the host. - */ + /* Wait till the host acknowledges it pushed out the data we sent. */ while (!out_vq->vq_ops->get_buf(out_vq, &len)) cpu_relax(); fail: /* We're expected to return the amount of data we wrote */ - return len; + return in_count; } /* @@ -645,13 +671,13 @@ static int put_chars(u32 vtermno, const char *buf, int count) { struct port *port; + if (unlikely(early_put_chars)) + return early_put_chars(vtermno, buf, count); + port = find_port_by_vtermno(vtermno); if (!port) return 0; - if (unlikely(early_put_chars)) - return early_put_chars(vtermno, buf, count); - return send_buf(port, (void *)buf, count); } @@ -681,6 +707,10 @@ static void resize_console(struct port *port) struct virtio_device *vdev; struct winsize ws; + /* The port could have been hot-unplugged */ + if (!port) + return; + vdev = port->portdev->vdev; if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_SIZE)) { vdev->config->get(vdev, @@ -947,11 +977,18 @@ static void handle_control_message(struct ports_device *portdev, */ err = sysfs_create_group(&port->dev->kobj, &port_attribute_group); - if (err) + if (err) { dev_err(port->dev, "Error %d creating sysfs device attributes\n", err); - + } else { + /* + * Generate a udev event so that appropriate + * symlinks can be created based on udev + * rules. + */ + kobject_uevent(&port->dev->kobj, KOBJ_CHANGE); + } break; case VIRTIO_CONSOLE_PORT_REMOVE: /* @@ -1206,7 +1243,7 @@ fail: */ static void config_work_handler(struct work_struct *work) { - struct virtio_console_config virtconconf; + struct virtio_console_multiport_conf virtconconf; struct ports_device *portdev; struct virtio_device *vdev; int err; @@ -1215,7 +1252,8 @@ static void config_work_handler(struct work_struct *work) vdev = portdev->vdev; vdev->config->get(vdev, - offsetof(struct virtio_console_config, nr_ports), + offsetof(struct virtio_console_multiport_conf, + nr_ports), &virtconconf.nr_ports, sizeof(virtconconf.nr_ports)); @@ -1407,16 +1445,19 @@ static int __devinit virtcons_probe(struct virtio_device *vdev) multiport = false; portdev->config.nr_ports = 1; portdev->config.max_nr_ports = 1; +#if 0 /* Multiport is not quite ready yet --RR */ if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_MULTIPORT)) { multiport = true; vdev->features[0] |= 1 << VIRTIO_CONSOLE_F_MULTIPORT; - vdev->config->get(vdev, offsetof(struct virtio_console_config, - nr_ports), + vdev->config->get(vdev, + offsetof(struct virtio_console_multiport_conf, + nr_ports), &portdev->config.nr_ports, sizeof(portdev->config.nr_ports)); - vdev->config->get(vdev, offsetof(struct virtio_console_config, - max_nr_ports), + vdev->config->get(vdev, + offsetof(struct virtio_console_multiport_conf, + max_nr_ports), &portdev->config.max_nr_ports, sizeof(portdev->config.max_nr_ports)); if (portdev->config.nr_ports > portdev->config.max_nr_ports) { @@ -1432,6 +1473,7 @@ static int __devinit virtcons_probe(struct virtio_device *vdev) /* Let the Host know we support multiple ports.*/ vdev->config->finalize_features(vdev); +#endif err = init_vqs(portdev); if (err < 0) { @@ -1514,7 +1556,6 @@ static struct virtio_device_id id_table[] = { static unsigned int features[] = { VIRTIO_CONSOLE_F_SIZE, - VIRTIO_CONSOLE_F_MULTIPORT, }; static struct virtio_driver virtio_console = { diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c index 8b24729fec89..12de1202d22c 100644 --- a/drivers/char/vme_scc.c +++ b/drivers/char/vme_scc.c @@ -27,7 +27,6 @@ #include <linux/fcntl.h> #include <linux/major.h> #include <linux/delay.h> -#include <linux/slab.h> #include <linux/miscdevice.h> #include <linux/console.h> #include <linux/init.h> diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index 87778dcf8727..6aa10284104a 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -888,7 +888,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, ret = -EFAULT; goto out; } - if (tmp.mode != VT_AUTO && tmp.mode != VT_PROCESS && tmp.mode != VT_PROCESS_AUTO) { + if (tmp.mode != VT_AUTO && tmp.mode != VT_PROCESS) { ret = -EINVAL; goto out; } @@ -1622,7 +1622,7 @@ static void complete_change_console(struct vc_data *vc) * telling it that it has acquired. Also check if it has died and * clean up (similar to logic employed in change_console()) */ - if (vc->vt_mode.mode == VT_PROCESS || vc->vt_mode.mode == VT_PROCESS_AUTO) { + if (vc->vt_mode.mode == VT_PROCESS) { /* * Send the signal as privileged - kill_pid() will * tell us if the process has gone or something else @@ -1682,7 +1682,7 @@ void change_console(struct vc_data *new_vc) * vt to auto control. */ vc = vc_cons[fg_console].d; - if (vc->vt_mode.mode == VT_PROCESS || vc->vt_mode.mode == VT_PROCESS_AUTO) { + if (vc->vt_mode.mode == VT_PROCESS) { /* * Send the signal as privileged - kill_pid() will * tell us if the process has gone or something else @@ -1693,28 +1693,27 @@ void change_console(struct vc_data *new_vc) */ vc->vt_newvt = new_vc->vc_num; if (kill_pid(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) { - if(vc->vt_mode.mode == VT_PROCESS) - /* - * It worked. Mark the vt to switch to and - * return. The process needs to send us a - * VT_RELDISP ioctl to complete the switch. - */ - return; - } else { /* - * The controlling process has died, so we revert back to - * normal operation. In this case, we'll also change back - * to KD_TEXT mode. I'm not sure if this is strictly correct - * but it saves the agony when the X server dies and the screen - * remains blanked due to KD_GRAPHICS! It would be nice to do - * this outside of VT_PROCESS but there is no single process - * to account for and tracking tty count may be undesirable. + * It worked. Mark the vt to switch to and + * return. The process needs to send us a + * VT_RELDISP ioctl to complete the switch. */ - reset_vc(vc); + return; } /* - * Fall through to normal (VT_AUTO and VT_PROCESS_AUTO) handling of the switch... + * The controlling process has died, so we revert back to + * normal operation. In this case, we'll also change back + * to KD_TEXT mode. I'm not sure if this is strictly correct + * but it saves the agony when the X server dies and the screen + * remains blanked due to KD_GRAPHICS! It would be nice to do + * this outside of VT_PROCESS but there is no single process + * to account for and tracking tty count may be undesirable. + */ + reset_vc(vc); + + /* + * Fall through to normal (VT_AUTO) handling of the switch... */ } diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c index 4846d50199f3..7261b8d9087c 100644 --- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c +++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c @@ -86,6 +86,7 @@ #include <linux/fs.h> #include <linux/cdev.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <asm/io.h> #include <asm/uaccess.h> |