drm/msm/dsi: Added missing mutex_unlock

in case of failed to get iova, function was returning without releasing
the mutex. Added it.

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
saurabh 2015-12-07 01:19:21 +05:30 • committed by Rob Clark
commit beb107f30e