[PATCH] Fix a bug in scsi_get_command

scsi_get_command() attempts to write into a structure that may not have
been successfully allocated. Move this write inside the if statement that
ensures we won't panic the kernel with a NULL pointer dereference.

Signed-off-by: Matthew Dobson <[e-mail]>
Cc: James Bottomley <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/scsi/scsi.c

···
 		spin_lock_irqsave(&dev->list_lock, flags);
 		list_add_tail(&cmd->list, &dev->cmd_list);
 		spin_unlock_irqrestore(&dev->list_lock, flags);
+		cmd->jiffies_at_alloc = jiffies;
 	} else
 		put_device(&dev->sdev_gendev);
 
-	cmd->jiffies_at_alloc = jiffies;
 	return cmd;
 }				
 EXPORT_SYMBOL(scsi_get_command);