summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTvrtko Ursulin <tvrtko.ursulin@intel.com>2019-04-03 07:44:07 +0100
committerTvrtko Ursulin <tvrtko.ursulin@intel.com>2019-04-03 10:55:43 +0100
commit640cde65b48ae6c773f00cbbdece7e67945b3f34 (patch)
treebbc0238a00d8f2717ffcbca936bbf9dec7dbb9d0
parent3de6f8529461706dcea78044dd4ccf1290a62e50 (diff)
drm/i915: Fix uninitialized mask in intel_device_info_subplatform_init
Mask need to be initialized to zero since device id checks may not match. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: 805446c8347c ("drm/i915: Introduce concept of a sub-platform") Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Jose Souza <jose.souza@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190403064407.25646-1-tvrtko.ursulin@linux.intel.com
-rw-r--r--drivers/gpu/drm/i915/intel_device_info.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 0ed49d032c00..6af480b95bc6 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -778,7 +778,7 @@ void intel_device_info_subplatform_init(struct drm_i915_private *i915)
const unsigned int pi = __platform_mask_index(rinfo, info->platform);
const unsigned int pb = __platform_mask_bit(rinfo, info->platform);
u16 devid = INTEL_DEVID(i915);
- u32 mask;
+ u32 mask = 0;
/* Make sure IS_<platform> checks are working. */
RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb);