Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (122 commits)
  USB: mos7840: add device IDs for B&B electronics devices
  USB: ftdi_sio: add USB device ID's for B&B Electronics line
  USB: musb: musb_host: fix sparse warning
  USB: musb: musb_gadget: fix sparse warning
  USB: musb: omap2430: fix sparse warning
  USB: core: message: fix sparse warning
  USB: core: hub: fix sparse warning
  USB: core: fix sparse warning for static function
  USB: Added USB_ETH_RNDIS to use instead of CONFIG_USB_ETH_RNDIS
  USB: Check bandwidth when switching alt settings.
  USB: Refactor code to find alternate interface settings.
  USB: xhci: Fix command completion after a drop endpoint.
  USB: xhci: Make reverting an alt setting "unfailable".
  USB: usbtmc: Use usb_clear_halt() instead of custom code.
  USB: xhci: Add correct email and files to MAINTAINERS entry.
  USB: ehci-omap.c: introduce missing kfree
  USB: xhci-mem.c: introduce missing kfree
  USB: add remove_id sysfs attr for usb drivers
  USB: g_multi kconfig: fix depends and help text
  USB: option: add pid for ZTE
  ...

5 files changed, 54 insertions, 17 deletions

diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index cfa26d5..e5e6df3 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -73,7 +73,8 @@
 
 static const char* host_info(struct Scsi_Host *host)
 {
-	return "SCSI emulation for USB Mass Storage devices";
+	struct us_data *us = host_to_us(host);
+	return us->scsi_name;
 }
 
 static int slave_alloc (struct scsi_device *sdev)
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index 589f6b4..cc313d1 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -666,10 +666,11 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
 	 * to wait for at least one CHECK_CONDITION to determine
 	 * SANE_SENSE support
 	 */
-	if ((srb->cmnd[0] == ATA_16 || srb->cmnd[0] == ATA_12) &&
+	if (unlikely((srb->cmnd[0] == ATA_16 || srb->cmnd[0] == ATA_12) &&
 	    result == USB_STOR_TRANSPORT_GOOD &&
 	    !(us->fflags & US_FL_SANE_SENSE) &&
-	    !(srb->cmnd[2] & 0x20)) {
+	    !(us->fflags & US_FL_BAD_SENSE) &&
+	    !(srb->cmnd[2] & 0x20))) {
 		US_DEBUGP("-- SAT supported, increasing auto-sense\n");
 		us->fflags |= US_FL_SANE_SENSE;
 	}
@@ -718,6 +719,12 @@ Retry_Sense:
 		if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) {
 			US_DEBUGP("-- auto-sense aborted\n");
 			srb->result = DID_ABORT << 16;
+
+			/* If SANE_SENSE caused this problem, disable it */
+			if (sense_size != US_SENSE_SIZE) {
+				us->fflags &= ~US_FL_SANE_SENSE;
+				us->fflags |= US_FL_BAD_SENSE;
+			}
 			goto Handle_Errors;
 		}
 
@@ -727,10 +734,11 @@ Retry_Sense:
 		 * (small) sense request. This fixes some USB GSM modems
 		 */
 		if (temp_result == USB_STOR_TRANSPORT_FAILED &&
-		    (us->fflags & US_FL_SANE_SENSE) &&
-		    sense_size != US_SENSE_SIZE) {
+				sense_size != US_SENSE_SIZE) {
 			US_DEBUGP("-- auto-sense failure, retry small sense\n");
 			sense_size = US_SENSE_SIZE;
+			us->fflags &= ~US_FL_SANE_SENSE;
+			us->fflags |= US_FL_BAD_SENSE;
 			goto Retry_Sense;
 		}
 
@@ -754,6 +762,7 @@ Retry_Sense:
 		 */
 		if (srb->sense_buffer[7] > (US_SENSE_SIZE - 8) &&
 		    !(us->fflags & US_FL_SANE_SENSE) &&
+		    !(us->fflags & US_FL_BAD_SENSE) &&
 		    (srb->sense_buffer[0] & 0x7C) == 0x70) {
 			US_DEBUGP("-- SANE_SENSE support enabled\n");
 			us->fflags |= US_FL_SANE_SENSE;
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index d4f034e..64a0a2c 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -818,6 +818,13 @@ UNUSUAL_DEV( 0x066f, 0x8000, 0x0001, 0x0001,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_FIX_CAPACITY ),
 
+/* Reported by Daniel Kukula <daniel.kuku@gmail.com> */
+UNUSUAL_DEV( 0x067b, 0x1063, 0x0100, 0x0100,
+		"Prolific Technology, Inc.",
+		"Prolific Storage Gadget",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_BAD_SENSE ),
+
 /* Reported by Rogerio Brito <rbrito@ime.usp.br> */
 UNUSUAL_DEV( 0x067b, 0x2317, 0x0001, 0x001,
 		"Prolific Technology, Inc.",
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 8060b85..5a53d4f 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -45,6 +45,10 @@
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#ifdef CONFIG_USB_STORAGE_DEBUG
+#define DEBUG
+#endif
+
 #include <linux/sched.h>
 #include <linux/errno.h>
 #include <linux/freezer.h>
@@ -228,6 +232,7 @@ void fill_inquiry_response(struct us_data *us, unsigned char *data,
 	if (data_len<36) // You lose.
 		return;
 
+	memset(data+8, ' ', 28);
 	if(data[0]&0x20) { /* USB device currently not connected. Return
 			      peripheral qualifier 001b ("...however, the
 			      physical device is not currently connected
@@ -237,15 +242,15 @@ void fill_inquiry_response(struct us_data *us, unsigned char *data,
 			      device, it may return zeros or ASCII spaces 
 			      (20h) in those fields until the data is
 			      available from the device."). */
-		memset(data+8,0,28);
 	} else {
 		u16 bcdDevice = le16_to_cpu(us->pusb_dev->descriptor.bcdDevice);
-		memcpy(data+8, us->unusual_dev->vendorName, 
-			strlen(us->unusual_dev->vendorName) > 8 ? 8 :
-			strlen(us->unusual_dev->vendorName));
-		memcpy(data+16, us->unusual_dev->productName, 
-			strlen(us->unusual_dev->productName) > 16 ? 16 :
-			strlen(us->unusual_dev->productName));
+		int n;
+
+		n = strlen(us->unusual_dev->vendorName);
+		memcpy(data+8, us->unusual_dev->vendorName, min(8, n));
+		n = strlen(us->unusual_dev->productName);
+		memcpy(data+16, us->unusual_dev->productName, min(16, n));
+
 		data[32] = 0x30 + ((bcdDevice>>12) & 0x0F);
 		data[33] = 0x30 + ((bcdDevice>>8) & 0x0F);
 		data[34] = 0x30 + ((bcdDevice>>4) & 0x0F);
@@ -459,6 +464,9 @@ static void adjust_quirks(struct us_data *us)
 		case 'a':
 			f |= US_FL_SANE_SENSE;
 			break;
+		case 'b':
+			f |= US_FL_BAD_SENSE;
+			break;
 		case 'c':
 			f |= US_FL_FIX_CAPACITY;
 			break;
@@ -808,14 +816,13 @@ static int usb_stor_scan_thread(void * __us)
 {
 	struct us_data *us = (struct us_data *)__us;
 
-	printk(KERN_DEBUG
-		"usb-storage: device found at %d\n", us->pusb_dev->devnum);
+	dev_dbg(&us->pusb_intf->dev, "device found\n");
 
 	set_freezable();
 	/* Wait for the timeout to expire or for a disconnect */
 	if (delay_use > 0) {
-		printk(KERN_DEBUG "usb-storage: waiting for device "
-				"to settle before scanning\n");
+		dev_dbg(&us->pusb_intf->dev, "waiting for device to settle "
+				"before scanning\n");
 		wait_event_freezable_timeout(us->delay_wait,
 				test_bit(US_FLIDX_DONT_SCAN, &us->dflags),
 				delay_use * HZ);
@@ -832,7 +839,7 @@ static int usb_stor_scan_thread(void * __us)
 			mutex_unlock(&us->dev_mutex);
 		}
 		scsi_scan_host(us_to_host(us));
-		printk(KERN_DEBUG "usb-storage: device scan complete\n");
+		dev_dbg(&us->pusb_intf->dev, "scan complete\n");
 
 		/* Should we unbind if no devices were detected? */
 	}
@@ -840,6 +847,15 @@ static int usb_stor_scan_thread(void * __us)
 	complete_and_exit(&us->scanning_done, 0);
 }
 
+static unsigned int usb_stor_sg_tablesize(struct usb_interface *intf)
+{
+	struct usb_device *usb_dev = interface_to_usbdev(intf);
+
+	if (usb_dev->bus->sg_tablesize) {
+		return usb_dev->bus->sg_tablesize;
+	}
+	return SG_ALL;
+}
 
 /* First part of general USB mass-storage probing */
 int usb_stor_probe1(struct us_data **pus,
@@ -868,6 +884,7 @@ int usb_stor_probe1(struct us_data **pus,
 	 * Allow 16-byte CDBs and thus > 2TB
 	 */
 	host->max_cmd_len = 16;
+	host->sg_tablesize = usb_stor_sg_tablesize(intf);
 	*pus = us = host_to_us(host);
 	memset(us, 0, sizeof(struct us_data));
 	mutex_init(&(us->dev_mutex));
@@ -929,6 +946,8 @@ int usb_stor_probe2(struct us_data *us)
 	result = usb_stor_acquire_resources(us);
 	if (result)
 		goto BadDevice;
+	snprintf(us->scsi_name, sizeof(us->scsi_name), "usb-storage %s",
+					dev_name(&us->pusb_intf->dev));
 	result = scsi_add_host(us_to_host(us), &us->pusb_intf->dev);
 	if (result) {
 		printk(KERN_WARNING USB_STORAGE
diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h
index 2609efb..6971713 100644
--- a/drivers/usb/storage/usb.h
+++ b/drivers/usb/storage/usb.h
@@ -132,6 +132,7 @@ struct us_data {
 	/* SCSI interfaces */
 	struct scsi_cmnd	*srb;		 /* current srb		*/
 	unsigned int		tag;		 /* current dCBWTag	*/
+	char			scsi_name[32];	 /* scsi_host name	*/
 
 	/* control and bulk communications data */
 	struct urb		*current_urb;	 /* USB requests	 */