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gralloc_drm_kms: fix possible segfault
authorChih-Wei Huang <cwhuang@linux.org.tw>
Wed, 3 Jan 2018 10:33:49 +0000 (18:33 +0800)
committerChih-Wei Huang <cwhuang@linux.org.tw>
Thu, 4 Jan 2018 02:30:38 +0000 (10:30 +0800)
commitd4e2d52eb8b12bef573e8de795194a65514b27e5
tree65385cbfb9274b0cf1fdfdbce4b52d32eb05f85f
parentd8fcf4bbafaeb574c6bb0d5176ef8c64a0e13046
gralloc_drm_kms: fix possible segfault

Check if the output is valid before using it.
gralloc_drm_kms.c