From: Sachin Kamat <sachin.kamat@linaro.org>
Date: Mon, 19 Nov 2012 09:44:57 +0000 (+0000)
Subject: drm/crtc: Fix potential NULL pointer dereference
X-Git-Tag: v3.8-rc1~82^2~183
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e655d122a71332d0d26b5c0909eb395da31af0c0;p=pandora-kernel.git

drm/crtc: Fix potential NULL pointer dereference

drm_property_create_blob() could return NULL in which case NULL pointer
dereference error (on connector->edid_blob_ptr) is possible. Return if
connector->edid_blob_ptr is NULL.

Fixes the following smatch error:
drivers/gpu/drm/drm_crtc.c:3186 drm_mode_connector_update_edid_property()
error: potential null dereference 'connector->edid_blob_ptr'.
(drm_property_create_blob returns null)

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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