From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 7 Nov 2014 09:16:01 +0000 (+0200)
Subject: drm/i915: Don't deref NULL crtc in intel_get_pipe_from_connector()
X-Git-Tag: omap-for-v3.19/fixes-rc1~80^2~14^2~102
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3babd3fcd92f345ab3c627ad6bfa1463de52ba2;p=pandora-kernel.git

drm/i915: Don't deref NULL crtc in intel_get_pipe_from_connector()

If the connector would have an encoder but the encoder didn't have a
crtc we might dereference a NULL crtc here. I suppose that should never
happen due to intel_sanitize_encoder(), but let's be a bit paranoid
print a warning if we ever hit this and return INVALID_PIPE to the
caller.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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