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-rw-r--r--drivers/usb/storage/datafab.c3
-rw-r--r--drivers/usb/storage/isd200.c10
-rw-r--r--drivers/usb/storage/jumpshot.c3
-rw-r--r--drivers/usb/storage/scsiglue.c9
-rw-r--r--drivers/usb/storage/sddr55.c3
-rw-r--r--drivers/usb/storage/shuttle_usbat.c3
-rw-r--r--drivers/usb/storage/unusual_devs.h32
-rw-r--r--drivers/usb/storage/usb.c25
-rw-r--r--drivers/usb/storage/usb.h5
9 files changed, 60 insertions, 33 deletions
diff --git a/drivers/usb/storage/datafab.c b/drivers/usb/storage/datafab.c
index 54e3e6c7ecd8..01d8971ad7db 100644
--- a/drivers/usb/storage/datafab.c
+++ b/drivers/usb/storage/datafab.c
@@ -512,13 +512,12 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
};
if (!us->extra) {
- us->extra = kmalloc(sizeof(struct datafab_info), GFP_NOIO);
+ us->extra = kzalloc(sizeof(struct datafab_info), GFP_NOIO);
if (!us->extra) {
US_DEBUGP("datafab_transport: Gah! "
"Can't allocate storage for Datafab info struct!\n");
return USB_STOR_TRANSPORT_ERROR;
}
- memset(us->extra, 0, sizeof(struct datafab_info));
us->extra_destructor = datafab_info_destructor;
((struct datafab_info *)us->extra)->lun = -1;
}
diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c
index ecb328aa9ea1..6831dca93c1b 100644
--- a/drivers/usb/storage/isd200.c
+++ b/drivers/usb/storage/isd200.c
@@ -1361,21 +1361,19 @@ static int isd200_init_info(struct us_data *us)
struct isd200_info *info;
info = (struct isd200_info *)
- kmalloc(sizeof(struct isd200_info), GFP_KERNEL);
+ kzalloc(sizeof(struct isd200_info), GFP_KERNEL);
if (!info)
retStatus = ISD200_ERROR;
else {
- memset(info, 0, sizeof(struct isd200_info));
info->id = (struct hd_driveid *)
- kmalloc(sizeof(struct hd_driveid), GFP_KERNEL);
+ kzalloc(sizeof(struct hd_driveid), GFP_KERNEL);
info->RegsBuf = (unsigned char *)
kmalloc(sizeof(info->ATARegs), GFP_KERNEL);
if (!info->id || !info->RegsBuf) {
isd200_free_info_ptrs(info);
kfree(info);
retStatus = ISD200_ERROR;
- } else
- memset(info->id, 0, sizeof(struct hd_driveid));
+ }
}
if (retStatus == ISD200_GOOD) {
@@ -1384,7 +1382,7 @@ static int isd200_init_info(struct us_data *us)
} else
US_DEBUGP("ERROR - kmalloc failure\n");
- return(retStatus);
+ return retStatus;
}
/**************************************************************************
diff --git a/drivers/usb/storage/jumpshot.c b/drivers/usb/storage/jumpshot.c
index aff9d51c327c..5031aa98f6a9 100644
--- a/drivers/usb/storage/jumpshot.c
+++ b/drivers/usb/storage/jumpshot.c
@@ -441,12 +441,11 @@ int jumpshot_transport(struct scsi_cmnd * srb, struct us_data *us)
};
if (!us->extra) {
- us->extra = kmalloc(sizeof(struct jumpshot_info), GFP_NOIO);
+ us->extra = kzalloc(sizeof(struct jumpshot_info), GFP_NOIO);
if (!us->extra) {
US_DEBUGP("jumpshot_transport: Gah! Can't allocate storage for jumpshot info struct!\n");
return USB_STOR_TRANSPORT_ERROR;
}
- memset(us->extra, 0, sizeof(struct jumpshot_info));
us->extra_destructor = jumpshot_info_destructor;
}
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 4ef5527028c5..5f11e19eaae3 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -47,6 +47,7 @@
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/mutex.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -271,9 +272,9 @@ static int device_reset(struct scsi_cmnd *srb)
US_DEBUGP("%s called\n", __FUNCTION__);
/* lock the device pointers and do the reset */
- down(&(us->dev_semaphore));
+ mutex_lock(&(us->dev_mutex));
result = us->transport_reset(us);
- up(&(us->dev_semaphore));
+ mutex_unlock(&us->dev_mutex);
return result < 0 ? FAILED : SUCCESS;
}
@@ -286,9 +287,9 @@ static int bus_reset(struct scsi_cmnd *srb)
US_DEBUGP("%s called\n", __FUNCTION__);
- down(&(us->dev_semaphore));
+ mutex_lock(&(us->dev_mutex));
result = usb_stor_port_reset(us);
- up(&(us->dev_semaphore));
+ mutex_unlock(&us->dev_mutex);
return result < 0 ? FAILED : SUCCESS;
}
diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c
index 8451779f4269..0b1b5b59ca7b 100644
--- a/drivers/usb/storage/sddr55.c
+++ b/drivers/usb/storage/sddr55.c
@@ -751,11 +751,10 @@ int sddr55_transport(struct scsi_cmnd *srb, struct us_data *us)
struct sddr55_card_info *info;
if (!us->extra) {
- us->extra = kmalloc(
+ us->extra = kzalloc(
sizeof(struct sddr55_card_info), GFP_NOIO);
if (!us->extra)
return USB_STOR_TRANSPORT_ERROR;
- memset(us->extra, 0, sizeof(struct sddr55_card_info));
us->extra_destructor = sddr55_card_info_destructor;
}
diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c
index fea176d7e79a..f2bc5c9e23d5 100644
--- a/drivers/usb/storage/shuttle_usbat.c
+++ b/drivers/usb/storage/shuttle_usbat.c
@@ -1318,12 +1318,11 @@ int init_usbat(struct us_data *us)
unsigned char subcountL = USBAT_ATA_LBA_ME;
unsigned char *status = us->iobuf;
- us->extra = kmalloc(sizeof(struct usbat_info), GFP_NOIO);
+ us->extra = kzalloc(sizeof(struct usbat_info), GFP_NOIO);
if (!us->extra) {
US_DEBUGP("init_usbat: Gah! Can't allocate storage for usbat info struct!\n");
return 1;
}
- memset(us->extra, 0, sizeof(struct usbat_info));
info = (struct usbat_info *) (us->extra);
/* Enable peripheral control signals */
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 31ca92056c27..c4a9dcff5f2b 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -62,6 +62,13 @@ UNUSUAL_DEV( 0x03ee, 0x6901, 0x0000, 0x0100,
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_SINGLE_LUN ),
+/* Reported by Rodolfo Quesada <rquesada@roqz.net> */
+UNUSUAL_DEV( 0x03ee, 0x6906, 0x0003, 0x0003,
+ "VIA Technologies Inc.",
+ "Mitsumi multi cardreader",
+ US_SC_DEVICE, US_PR_DEVICE, NULL,
+ US_FL_IGNORE_RESIDUE ),
+
UNUSUAL_DEV( 0x03f0, 0x0107, 0x0200, 0x0200,
"HP",
"CD-Writer+",
@@ -120,6 +127,12 @@ UNUSUAL_DEV( 0x0419, 0xaaf6, 0x0100, 0x0100,
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_IGNORE_RESIDUE ),
+/* Reported by Pete Zaitcev <zaitcev@redhat.com>, bz#176584 */
+UNUSUAL_DEV( 0x0420, 0x0001, 0x0100, 0x0100,
+ "GENERIC", "MP3 PLAYER", /* MyMusix PD-205 on the outside. */
+ US_SC_DEVICE, US_PR_DEVICE, NULL,
+ US_FL_IGNORE_RESIDUE ),
+
/* Reported by Olaf Hering <olh@suse.de> from novell bug #105878 */
UNUSUAL_DEV( 0x0424, 0x0fdc, 0x0210, 0x0210,
"SMSC",
@@ -760,12 +773,19 @@ UNUSUAL_DEV( 0x069b, 0x3004, 0x0001, 0x0001,
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_FIX_CAPACITY ),
-UNUSUAL_DEV( 0x0781, 0x0001, 0x0200, 0x0200,
+/* Submitted by Roman Hodek <roman@hodek.net> */
+UNUSUAL_DEV( 0x0781, 0x0001, 0x0200, 0x0200,
"Sandisk",
"ImageMate SDDR-05a",
US_SC_SCSI, US_PR_CB, NULL,
US_FL_SINGLE_LUN ),
+UNUSUAL_DEV( 0x0781, 0x0002, 0x0009, 0x0009,
+ "SanDisk Corporation",
+ "ImageMate CompactFlash USB",
+ US_SC_DEVICE, US_PR_DEVICE, NULL,
+ US_FL_FIX_CAPACITY ),
+
#ifdef CONFIG_USB_STORAGE_USBAT
UNUSUAL_DEV( 0x0781, 0x0005, 0x0005, 0x0005,
"Sandisk",
@@ -1073,6 +1093,16 @@ UNUSUAL_DEV( 0x0c0b, 0xa109, 0x0000, 0xffff,
0),
#endif
+/*
+ * Pete Zaitcev <zaitcev@yahoo.com>, bz#164688.
+ * The device blatantly ignores LUN and returns 1 in GetMaxLUN.
+ */
+UNUSUAL_DEV( 0x0c45, 0x1060, 0x0100, 0x0100,
+ "Unknown",
+ "Unknown",
+ US_SC_DEVICE, US_PR_DEVICE, NULL,
+ US_FL_SINGLE_LUN ),
+
/* Submitted by Joris Struyve <joris@struyve.be> */
UNUSUAL_DEV( 0x0d96, 0x410a, 0x0001, 0xffff,
"Medion",
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index dbcf23980ff1..dd108634348e 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -55,6 +55,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/kthread.h>
+#include <linux/mutex.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -188,7 +189,7 @@ static int storage_suspend(struct usb_interface *iface, pm_message_t message)
struct us_data *us = usb_get_intfdata(iface);
/* Wait until no command is running */
- down(&us->dev_semaphore);
+ mutex_lock(&us->dev_mutex);
US_DEBUGP("%s\n", __FUNCTION__);
if (us->suspend_resume_hook)
@@ -198,7 +199,7 @@ static int storage_suspend(struct usb_interface *iface, pm_message_t message)
/* When runtime PM is working, we'll set a flag to indicate
* whether we should autoresume when a SCSI request arrives. */
- up(&us->dev_semaphore);
+ mutex_unlock(&us->dev_mutex);
return 0;
}
@@ -206,14 +207,14 @@ static int storage_resume(struct usb_interface *iface)
{
struct us_data *us = usb_get_intfdata(iface);
- down(&us->dev_semaphore);
+ mutex_lock(&us->dev_mutex);
US_DEBUGP("%s\n", __FUNCTION__);
if (us->suspend_resume_hook)
(us->suspend_resume_hook)(us, US_RESUME);
iface->dev.power.power_state.event = PM_EVENT_ON;
- up(&us->dev_semaphore);
+ mutex_unlock(&us->dev_mutex);
return 0;
}
@@ -276,12 +277,12 @@ static int usb_stor_control_thread(void * __us)
US_DEBUGP("*** thread awakened.\n");
/* lock the device pointers */
- down(&(us->dev_semaphore));
+ mutex_lock(&(us->dev_mutex));
/* if the device has disconnected, we are free to exit */
if (test_bit(US_FLIDX_DISCONNECTING, &us->flags)) {
US_DEBUGP("-- exiting\n");
- up(&(us->dev_semaphore));
+ mutex_unlock(&us->dev_mutex);
break;
}
@@ -370,7 +371,7 @@ SkipForAbort:
scsi_unlock(host);
/* unlock the device pointers */
- up(&(us->dev_semaphore));
+ mutex_unlock(&us->dev_mutex);
} /* for (;;) */
scsi_host_put(host);
@@ -815,8 +816,8 @@ static void quiesce_and_remove_host(struct us_data *us)
* The thread will exit when it sees the DISCONNECTING flag. */
/* Wait for the current command to finish, then remove the host */
- down(&us->dev_semaphore);
- up(&us->dev_semaphore);
+ mutex_lock(&us->dev_mutex);
+ mutex_unlock(&us->dev_mutex);
/* queuecommand won't accept any new commands and the control
* thread won't execute a previously-queued command. If there
@@ -870,9 +871,9 @@ retry:
/* For bulk-only devices, determine the max LUN value */
if (us->protocol == US_PR_BULK &&
!(us->flags & US_FL_SINGLE_LUN)) {
- down(&us->dev_semaphore);
+ mutex_lock(&us->dev_mutex);
us->max_lun = usb_stor_Bulk_max_lun(us);
- up(&us->dev_semaphore);
+ mutex_unlock(&us->dev_mutex);
}
scsi_scan_host(us_to_host(us));
printk(KERN_DEBUG "usb-storage: device scan complete\n");
@@ -912,7 +913,7 @@ static int storage_probe(struct usb_interface *intf,
us = host_to_us(host);
memset(us, 0, sizeof(struct us_data));
- init_MUTEX(&(us->dev_semaphore));
+ mutex_init(&(us->dev_mutex));
init_MUTEX_LOCKED(&(us->sema));
init_completion(&(us->notify));
init_waitqueue_head(&us->delay_wait);
diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h
index 7259fd1f6b0d..009fb0953a56 100644
--- a/drivers/usb/storage/usb.h
+++ b/drivers/usb/storage/usb.h
@@ -49,6 +49,7 @@
#include <linux/blkdev.h>
#include <linux/smp_lock.h>
#include <linux/completion.h>
+#include <linux/mutex.h>
#include <scsi/scsi_host.h>
struct us_data;
@@ -103,9 +104,9 @@ typedef void (*pm_hook)(struct us_data *, int); /* power management hook */
struct us_data {
/* The device we're working with
* It's important to note:
- * (o) you must hold dev_semaphore to change pusb_dev
+ * (o) you must hold dev_mutex to change pusb_dev
*/
- struct semaphore dev_semaphore; /* protect pusb_dev */
+ struct mutex dev_mutex; /* protect pusb_dev */
struct usb_device *pusb_dev; /* this usb_device */
struct usb_interface *pusb_intf; /* this interface */
struct us_unusual_dev *unusual_dev; /* device-filter entry */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.