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     */