drm/mipi-dsi: Avoid potential NULL pointer dereference
authorThierry Reding <treding@nvidia.com>
Fri, 5 Dec 2014 10:46:56 +0000 (11:46 +0100)
committerThierry Reding <treding@nvidia.com>
Wed, 28 Jan 2015 07:45:37 +0000 (08:45 +0100)
commit9b97383b789c1b2a8d4bc54d142a12f9d0a12aa1
tree27ddb52c4580e937ec73f7f6c21cd248ed25d8ae
parent21773f16f2cb3c056051c679da542f0b494252e2
drm/mipi-dsi: Avoid potential NULL pointer dereference

The mipi_dsi_packet_create() function dereferences the msg pointer
before checking that it's valid. Move the dereference down to where it
is required to avoid potentially dereferencing a NULL pointer.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
drivers/gpu/drm/drm_mipi_dsi.c