From: Sanjeev Sharma <sanjeev_sha...@mentor.com>

This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.

===============

commit ab945eff8396bc3329cc97274320e8d2c6585077 upstream.

on some architecture spin_is_locked() always return false in
uniprocessor configuration and therefore it would be advise
to replace with lockdep_assert_held().

Signed-off-by: Sanjeev Sharma <sanjeev_sha...@mentor.com>
Acked-by: Hans de Goede <hdego...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Signed-off-by: Jiri Slaby <jsl...@suse.cz>
---
 drivers/usb/storage/uas.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index d966b59f7d7b..b8029ec9280d 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -259,7 +259,7 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const 
char *caller)
        struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;
        struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;
 
-       WARN_ON(!spin_is_locked(&devinfo->lock));
+       lockdep_assert_held(&devinfo->lock);
        if (cmdinfo->state & (COMMAND_INFLIGHT |
                              DATA_IN_URB_INFLIGHT |
                              DATA_OUT_URB_INFLIGHT |
@@ -558,7 +558,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
        struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;
        int err;
 
-       WARN_ON(!spin_is_locked(&devinfo->lock));
+       lockdep_assert_held(&devinfo->lock);
        if (cmdinfo->state & SUBMIT_STATUS_URB) {
                err = uas_submit_sense_urb(cmnd->device->host, gfp,
                                           cmdinfo->stream);
-- 
2.1.2

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