diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/ps3flash.c | 28 | ||||
| -rw-r--r-- | drivers/char/tile-srom.c | 28 | ||||
| -rw-r--r-- | drivers/mtd/mtdchar.c | 20 | ||||
| -rw-r--r-- | drivers/mtd/ubi/cdev.c | 26 | ||||
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/bnad_debugfs.c | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/debugfs.c | 4 | ||||
| -rw-r--r-- | drivers/parisc/eisa_eeprom.c | 15 | ||||
| -rw-r--r-- | drivers/pci/hotplug/cpqphp_sysfs.c | 22 | ||||
| -rw-r--r-- | drivers/pci/proc.c | 23 | ||||
| -rw-r--r-- | drivers/pnp/isapnp/proc.c | 22 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfad_debugfs.c | 28 | ||||
| -rw-r--r-- | drivers/scsi/fnic/fnic_debugfs.c | 16 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 18 | ||||
| -rw-r--r-- | drivers/staging/android/logger.c | 2 | ||||
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 3 | ||||
| -rw-r--r-- | drivers/tty/vt/vc_screen.c | 17 | ||||
| -rw-r--r-- | drivers/zorro/proc.c | 22 |
17 files changed, 27 insertions, 289 deletions
diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c index 8cafa9ccd43f..0b311fa277ef 100644 --- a/drivers/char/ps3flash.c +++ b/drivers/char/ps3flash.c @@ -98,32 +98,8 @@ static int ps3flash_fetch(struct ps3_storage_device *dev, u64 start_sector) static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin) { struct ps3_storage_device *dev = ps3flash_dev; - loff_t res; - - mutex_lock(&file->f_mapping->host->i_mutex); - switch (origin) { - case 0: - break; - case 1: - offset += file->f_pos; - break; - case 2: - offset += dev->regions[dev->region_idx].size*dev->blk_size; - break; - default: - offset = -1; - } - if (offset < 0) { - res = -EINVAL; - goto out; - } - - file->f_pos = offset; - res = file->f_pos; - -out: - mutex_unlock(&file->f_mapping->host->i_mutex); - return res; + return generic_file_llseek_size(file, offset, origin, MAX_LFS_FILESIZE, + dev->regions[dev->region_idx].size*dev->blk_size); } static ssize_t ps3flash_read(char __user *userbuf, void *kernelbuf, diff --git a/drivers/char/tile-srom.c b/drivers/char/tile-srom.c index 2e2036e940fc..7faeb1cde97d 100644 --- a/drivers/char/tile-srom.c +++ b/drivers/char/tile-srom.c @@ -273,32 +273,10 @@ static ssize_t srom_write(struct file *filp, const char __user *buf, } /* Provide our own implementation so we can use srom->total_size. */ -loff_t srom_llseek(struct file *filp, loff_t offset, int origin) +loff_t srom_llseek(struct file *file, loff_t offset, int origin) { - struct srom_dev *srom = filp->private_data; - - if (mutex_lock_interruptible(&srom->lock)) - return -ERESTARTSYS; - - switch (origin) { - case SEEK_END: - offset += srom->total_size; - break; - case SEEK_CUR: - offset += filp->f_pos; - break; - } - - if (offset < 0 || offset > srom->total_size) { - offset = -EINVAL; - } else { - filp->f_pos = offset; - filp->f_version = 0; - } - - mutex_unlock(&srom->lock); - - return offset; + struct srom_dev *srom = file->private_data; + return fixed_size_llseek(file, offset, origin, srom->total_size); } static ssize_t total_show(struct device *dev, diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index c719879284bd..684bfa39e4ee 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -55,25 +55,7 @@ struct mtd_file_info { static loff_t mtdchar_lseek(struct file *file, loff_t offset, int orig) { struct mtd_file_info *mfi = file->private_data; - struct mtd_info *mtd = mfi->mtd; - - switch (orig) { - case SEEK_SET: - break; - case SEEK_CUR: - offset += file->f_pos; - break; - case SEEK_END: - offset += mtd->size; - break; - default: - return -EINVAL; - } - - if (offset >= 0 && offset <= mtd->size) - return file->f_pos = offset; - - return -EINVAL; + return fixed_size_llseek(file, offset, orig, mfi->mtd->size); } static int count; diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index 4f02848bb2bc..8ca49f2043e4 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -155,7 +155,6 @@ static loff_t vol_cdev_llseek(struct file *file, loff_t offset, int origin) { struct ubi_volume_desc *desc = file->private_data; struct ubi_volume *vol = desc->vol; - loff_t new_offset; if (vol->updating) { /* Update is in progress, seeking is prohibited */ @@ -163,30 +162,7 @@ static loff_t vol_cdev_llseek(struct file *file, loff_t offset, int origin) return -EBUSY; } - switch (origin) { - case 0: /* SEEK_SET */ - new_offset = offset; - break; - case 1: /* SEEK_CUR */ - new_offset = file->f_pos + offset; - break; - case 2: /* SEEK_END */ - new_offset = vol->used_bytes + offset; - break; - default: - return -EINVAL; - } - - if (new_offset < 0 || new_offset > vol->used_bytes) { - ubi_err("bad seek %lld", new_offset); - return -EINVAL; - } - - dbg_gen("seek volume %d, offset %lld, origin %d, new offset %lld", - vol->vol_id, offset, origin, new_offset); - - file->f_pos = new_offset; - return new_offset; + return fixed_size_llseek(file, offset, origin, vol->used_bytes); } static int vol_cdev_fsync(struct file *file, loff_t start, loff_t end, diff --git a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c index 94d957d203a6..7d6aa8c87df8 100644 --- a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c +++ b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c @@ -230,32 +230,12 @@ bnad_debugfs_open_drvinfo(struct inode *inode, struct file *file) static loff_t bnad_debugfs_lseek(struct file *file, loff_t offset, int orig) { - loff_t pos = file->f_pos; struct bnad_debug_info *debug = file->private_data; if (!debug) return -EINVAL; - switch (orig) { - case 0: - file->f_pos = offset; - break; - case 1: - file->f_pos += offset; - break; - case 2: - file->f_pos = debug->buffer_len + offset; - break; - default: - return -EINVAL; - } - - if (file->f_pos < 0 || file->f_pos > debug->buffer_len) { - file->f_pos = pos; - return -EINVAL; - } - - return file->f_pos; + return fixed_size_llseek(file, offset, orig, debug->buffer_len); } static ssize_t diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index c3e1f79c7856..e17630c2a849 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -1056,7 +1056,7 @@ static ssize_t dev_mem_read(struct file *file, return -EINVAL; memset(&part, 0, sizeof(part)); - part.mem.start = file->f_pos; + part.mem.start = *ppos; part.mem.size = bytes; buf = kmalloc(bytes, GFP_KERNEL); @@ -1137,7 +1137,7 @@ static ssize_t dev_mem_write(struct file *file, const char __user *user_buf, return -EINVAL; memset(&part, 0, sizeof(part)); - part.mem.start = file->f_pos; + part.mem.start = *ppos; part.mem.size = bytes; buf = kmalloc(bytes, GFP_KERNEL); diff --git a/drivers/parisc/eisa_eeprom.c b/drivers/parisc/eisa_eeprom.c index af212c6a6158..783906fe659a 100644 --- a/drivers/parisc/eisa_eeprom.c +++ b/drivers/parisc/eisa_eeprom.c @@ -31,20 +31,9 @@ #define EISA_EEPROM_MINOR 241 -static loff_t eisa_eeprom_llseek(struct file *file, loff_t offset, int origin ) +static loff_t eisa_eeprom_llseek(struct file *file, loff_t offset, int origin) { - switch (origin) { - case 0: - /* nothing to do */ - break; - case 1: - offset += file->f_pos; - break; - case 2: - offset += HPEE_MAX_LENGTH; - break; - } - return (offset >= 0 && offset < HPEE_MAX_LENGTH) ? (file->f_pos = offset) : -EINVAL; + return fixed_size_llseek(file, offset, origin, HPEE_MAX_LENGTH); } static ssize_t eisa_eeprom_read(struct file * file, diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c index 4cb30447a486..17c1f36315d1 100644 --- a/drivers/pci/hotplug/cpqphp_sysfs.c +++ b/drivers/pci/hotplug/cpqphp_sysfs.c @@ -167,26 +167,8 @@ exit: static loff_t lseek(struct file *file, loff_t off, int whence) { - struct ctrl_dbg *dbg; - loff_t new = -1; - - mutex_lock(&cpqphp_mutex); - dbg = file->private_data; - - switch (whence) { - case 0: - new = off; - break; - case 1: - new = file->f_pos + off; - break; - } - if (new < 0 || new > dbg->size) { - mutex_unlock(&cpqphp_mutex); - return -EINVAL; - } - mutex_unlock(&cpqphp_mutex); - return (file->f_pos = new); + struct ctrl_dbg *dbg = file->private_data; + return fixed_size_llseek(file, off, whence, dbg->size); } static ssize_t read(struct file *file, char __user *buf, diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 08126087ec31..cdc7836d7e3d 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -20,27 +20,8 @@ static int proc_initialized; /* = 0 */ static loff_t proc_bus_pci_lseek(struct file *file, loff_t off, int whence) { - loff_t new = -1; - struct inode *inode = file_inode(file); - - mutex_lock(&inode->i_mutex); - switch (whence) { - case 0: - new = off; - break; - case 1: - new = file->f_pos + off; - break; - case 2: - new = inode->i_size + off; - break; - } - if (new < 0 || new > inode->i_size) - new = -EINVAL; - else - file->f_pos = new; - mutex_unlock(&inode->i_mutex); - return new; + struct pci_dev *dev = PDE_DATA(file_inode(file)); + return fixed_size_llseek(file, off, whence, dev->cfg_size); } static ssize_t diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c index 2365ef37ae24..5edee645d890 100644 --- a/drivers/pnp/isapnp/proc.c +++ b/drivers/pnp/isapnp/proc.c @@ -29,27 +29,7 @@ static struct proc_dir_entry *isapnp_proc_bus_dir = NULL; static loff_t isapnp_proc_bus_lseek(struct file *file, loff_t off, int whence) { - loff_t new = -1; - struct inode *inode = file_inode(file); - - mutex_lock(&inode->i_mutex); - switch (whence) { - case 0: - new = off; - break; - case 1: - new = file->f_pos + off; - break; - case 2: - new = 256 + off; - break; - } - if (new < 0 || new > 256) - new = -EINVAL; - else - file->f_pos = new; - mutex_unlock(&inode->i_mutex); - return new; + return fixed_size_llseek(file, off, whence, 256); } static ssize_t isapnp_proc_bus_read(struct file *file, char __user * buf, diff --git a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c index b63d534192e3..8e83d0474fe7 100644 --- a/drivers/scsi/bfa/bfad_debugfs.c +++ b/drivers/scsi/bfa/bfad_debugfs.c @@ -173,31 +173,9 @@ bfad_debugfs_open_reg(struct inode *inode, struct file *file) static loff_t bfad_debugfs_lseek(struct file *file, loff_t offset, int orig) { - struct bfad_debug_info *debug; - loff_t pos = file->f_pos; - - debug = file->private_data; - - switch (orig) { - case 0: - file->f_pos = offset; - break; - case 1: - file->f_pos += offset; - break; - case 2: - file->f_pos = debug->buffer_len + offset; - break; - default: - return -EINVAL; - } - - if (file->f_pos < 0 || file->f_pos > debug->buffer_len) { - file->f_pos = pos; - return -EINVAL; - } - - return file->f_pos; + struct bfad_debug_info *debug = file->private_data; + return fixed_size_llseek(file, offset, orig, + debug->buffer_len); } static ssize_t diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c index 85e1ffd0e5c5..cbcb0121c84d 100644 --- a/drivers/scsi/fnic/fnic_debugfs.c +++ b/drivers/scsi/fnic/fnic_debugfs.c @@ -164,20 +164,8 @@ static loff_t fnic_trace_debugfs_lseek(struct file *file, int howto) { fnic_dbgfs_t *fnic_dbg_prt = file->private_data; - loff_t pos = -1; - - switch (howto) { - case 0: - pos = offset; - break; - case 1: - pos = file->f_pos + offset; - break; - case 2: - pos = fnic_dbg_prt->buffer_len + offset; - } - return (pos < 0 || pos > fnic_dbg_prt->buffer_len) ? - -EINVAL : (file->f_pos = pos); + return fixed_size_llseek(file, offset, howto, + fnic_dbg_prt->buffer_len); } /* diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index f525ecb7a9c6..60084e6ad2f2 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -1165,22 +1165,8 @@ out: static loff_t lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) { - struct lpfc_debug *debug; - loff_t pos = -1; - - debug = file->private_data; - - switch (whence) { - case 0: - pos = off; - break; - case 1: - pos = file->f_pos + off; - break; - case 2: - pos = debug->len + off; - } - return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos); + struct lpfc_debug *debug = file->private_data; + return fixed_size_llseek(file, off, whence, debug->len); } /** diff --git a/drivers/staging/android/logger.c b/drivers/staging/android/logger.c index 9bd874789ce5..080abf2faf97 100644 --- a/drivers/staging/android/logger.c +++ b/drivers/staging/android/logger.c @@ -696,7 +696,7 @@ static long logger_ioctl(struct file *file, unsigned int cmd, unsigned long arg) ret = -EBADF; break; } - if (!(in_egroup_p(file->f_dentry->d_inode->i_gid) || + if (!(in_egroup_p(file_inode(file)->i_gid) || capable(CAP_SYSLOG))) { ret = -EPERM; break; diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 0794aacc928a..8647518259f6 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2329,9 +2329,6 @@ static int comedi_close(struct inode *inode, struct file *file) mutex_unlock(&dev->mutex); - if (file->f_flags & FASYNC) - comedi_fasync(-1, file, 0); - return 0; } diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c index d7799deacb21..14a2b5f11bca 100644 --- a/drivers/tty/vt/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c @@ -188,22 +188,7 @@ static loff_t vcs_lseek(struct file *file, loff_t offset, int orig) console_unlock(); if (size < 0) return size; - switch (orig) { - default: - return -EINVAL; - case 2: - offset += size; - break; - case 1: - offset += file->f_pos; - case 0: - break; - } - if (offset < 0 || offset > size) { - return -EINVAL; - } - file->f_pos = offset; - return file->f_pos; + return fixed_size_llseek(file, offset, orig, size); } diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c index 1c15ee7456b6..ea1ce822a8e0 100644 --- a/drivers/zorro/proc.c +++ b/drivers/zorro/proc.c @@ -21,27 +21,7 @@ static loff_t proc_bus_zorro_lseek(struct file *file, loff_t off, int whence) { - loff_t new = -1; - struct inode *inode = file_inode(file); - - mutex_lock(&inode->i_mutex); - switch (whence) { - case 0: - new = off; - break; - case 1: - new = file->f_pos + off; - break; - case 2: - new = sizeof(struct ConfigDev) + off; - break; - } - if (new < 0 || new > sizeof(struct ConfigDev)) - new = -EINVAL; - else - file->f_pos = new; - mutex_unlock(&inode->i_mutex); - return new; + return fixed_size_llseek(file, off, whence, sizeof(struct ConfigDev)); } static ssize_t |