drm/i915/sdvo: Check error return from intel_sdvo_get_value()
authorImre Deak <imre.deak@intel.com>
Wed, 10 May 2017 09:21:49 +0000 (12:21 +0300)
committerImre Deak <imre.deak@intel.com>
Wed, 10 May 2017 10:47:43 +0000 (13:47 +0300)
commit99016646608148be3cf3df157a60f83447dc45aa
tree6027a9038dfd89148ea7ea8a7f61b952b1d9c32c
parent9bacd4b1f8553428c5723e4c8f2ca491b400e429
drm/i915/sdvo: Check error return from intel_sdvo_get_value()

The current code assumes that 'enhancements' won't change in case of an
error, but this isn't guaranteed. Fix things by treating any error as a
lack of the given capability.

v2:
- Remove the now redundant init of enhancements. (Ville)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1494408113-379-3-git-send-email-imre.deak@intel.com
drivers/gpu/drm/i915/intel_sdvo.c