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UAS: Free status URB when we can't find the SCSI tag.

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In the UAS status URB completion handler, we need to free the URB, no
matter what happens.  Fix a bug where we would leak the URB (and its
buffer) if we couldn't find a SCSI command that is associated with this
status phase.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
This commit is contained in:
Sarah Sharp 2011-12-02 11:55:48 -08:00 committed by Sebastian Andrzej Siewior
parent 9eb445410d
commit 96c1eb9873
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/storage/uas.c
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@ -246,8 +246,10 @@ static void uas_stat_cmplt(struct urb *urb)
cmnd = sdev->current_cmnd;
else
cmnd = scsi_find_tag(sdev, tag);
if (!cmnd)
if (!cmnd) {
usb_free_urb(urb);
return;
}
switch (iu->iu_id) {
case IU_ID_STATUS: