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drm/edid: make drm_edid_duplicate() safe to call with NULL parameter
authorJani Nikula <jani.nikula@intel.com>
Tue, 30 May 2023 09:08:23 +0000 (12:08 +0300)
committerJani Nikula <jani.nikula@intel.com>
Fri, 2 Jun 2023 10:23:30 +0000 (13:23 +0300)
commitd60d2bccae65e9f85016ca4d6f6ad169c86b1024
treed00940a743e516e0767a33dd568ed5156a260ca7
parenta036aa1f01e7d1321859613d85570720f041cb07
drm/edid: make drm_edid_duplicate() safe to call with NULL parameter

It's a bit tedious to check for NULL before calling
drm_edid_duplicate(). Make it handle NULL parameter graciously.

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1ae8923d39a5abd0260fdf7f9cc54c5e046e70d3.1685437501.git.jani.nikula@intel.com
drivers/gpu/drm/drm_edid.c