1 files changed, 13 insertions, 63 deletions

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 701a328f7be..9a05076f9cf 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -286,13 +286,12 @@ int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
 	int result;
 	
 	if (sshdr) {
-		sense = kmalloc(SCSI_SENSE_BUFFERSIZE, GFP_NOIO);
+		sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_NOIO);
 		if (!sense)
 			return DRIVER_ERROR << 24;
-		memset(sense, 0, SCSI_SENSE_BUFFERSIZE);
 	}
 	result = scsi_execute(sdev, cmd, data_direction, buffer, bufflen,
-				  sense, timeout, retries, 0);
+			      sense, timeout, retries, 0);
 	if (sshdr)
 		scsi_normalize_sense(sense, SCSI_SENSE_BUFFERSIZE, sshdr);
 
@@ -1893,8 +1892,16 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
 	}
 
 	if(scsi_status_is_good(result)) {
-		data->header_length = header_length;
-		if(use_10_for_ms) {
+		if (unlikely(buffer[0] == 0x86 && buffer[1] == 0x0b &&
+			     (modepage == 6 || modepage == 8))) {
+			/* Initio breakage? */
+			header_length = 0;
+			data->length = 13;
+			data->medium_type = 0;
+			data->device_specific = 0;
+			data->longlba = 0;
+			data->block_descriptor_length = 0;
+		} else if(use_10_for_ms) {
 			data->length = buffer[0]*256 + buffer[1] + 2;
 			data->medium_type = buffer[2];
 			data->device_specific = buffer[3];
@@ -1907,6 +1914,7 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
 			data->device_specific = buffer[2];
 			data->block_descriptor_length = buffer[3];
 		}
+		data->header_length = header_length;
 	}
 
 	return result;
@@ -2249,61 +2257,3 @@ scsi_target_unblock(struct device *dev)
 		device_for_each_child(dev, NULL, target_unblock);
 }
 EXPORT_SYMBOL_GPL(scsi_target_unblock);
-
-
-struct work_queue_work {
-	struct work_struct	work;
-	void			(*fn)(void *);
-	void			*data;
-};
-
-static void execute_in_process_context_work(void *data)
-{
-	void (*fn)(void *data);
-	struct work_queue_work *wqw = data;
-
-	fn = wqw->fn;
-	data = wqw->data;
-
-	kfree(wqw);
-
-	fn(data);
-}
-
-/**
- * scsi_execute_in_process_context - reliably execute the routine with user context
- * @fn:		the function to execute
- * @data:	data to pass to the function
- *
- * Executes the function immediately if process context is available,
- * otherwise schedules the function for delayed execution.
- *
- * Returns:	0 - function was executed
- *		1 - function was scheduled for execution
- *		<0 - error
- */
-int scsi_execute_in_process_context(void (*fn)(void *data), void *data)
-{
-	struct work_queue_work *wqw;
-
-	if (!in_interrupt()) {
-		fn(data);
-		return 0;
-	}
-
-	wqw = kmalloc(sizeof(struct work_queue_work), GFP_ATOMIC);
-
-	if (unlikely(!wqw)) {
-		printk(KERN_ERR "Failed to allocate memory\n");
-		WARN_ON(1);
-		return -ENOMEM;
-	}
-
-	INIT_WORK(&wqw->work, execute_in_process_context_work, wqw);
-	wqw->fn = fn;
-	wqw->data = data;
-	schedule_work(&wqw->work);
-
-	return 1;
-}
-EXPORT_SYMBOL_GPL(scsi_execute_in_process_context);