From: Danylo Piliaiev <danylo.piliaiev@globallogic.com>
Date: Tue, 28 Apr 2020 11:51:26 +0000 (+0300)
Subject: iris/bufmgr: Check if iris_bo_gem_mmap failed
X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=commitdiff_plain;h=8f0d3874411ec3c0dcb1171cad5930db70fb48b4;hp=8f0d3874411ec3c0dcb1171cad5930db70fb48b4

iris/bufmgr: Check if iris_bo_gem_mmap failed

After refactoring of iris_bo_map_cpu and iris_bo_map_wc - immediate
return of NULL on failure to mmap a buffer was lost.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/2855
Fixes: 5bc3f52dd8c2b5acaae959ccae2e1fb7c769bb22
Signed-off-by: Danylo Piliaiev <danylo.piliaiev@globallogic.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4786>
---