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| author | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2011-12-02 20:55:48 +0100 |
|---|---|---|
| committer | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2011-12-22 10:14:48 +0100 |
| commit | 96c1eb9873caffc507a1951c36b43fdcf3ddeff3 (patch) | |
| tree | 18f6524c3a07ed30dcc760457672e10cea194d9d /drivers/usb/storage | |
| parent | UAS: Use unique tags on non-streams devices. (diff) | |
| download | linux-96c1eb9873caffc507a1951c36b43fdcf3ddeff3.tar.xz linux-96c1eb9873caffc507a1951c36b43fdcf3ddeff3.zip | |
UAS: Free status URB when we can't find the SCSI tag.
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>
Diffstat (limited to 'drivers/usb/storage')
| -rw-r--r-- | drivers/usb/storage/uas.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 28d9b1909389..9dd4aaee85cc 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -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: |