present: Check for NULL to prevent crash [server-21.1-branch backport] (!852) · Merge requests · xorg / xserver · GitLab

Merged Aaron Plattner requested to merge aplattner/xserver:present-crash-21.1-backport into server-21.1-branch Jan 19, 2022

Closes: #1275 (closed) Signed-off-by: Błażej Szczygieł spaz16@wp.pl Tested-by: Aaron Plattner aplattner@nvidia.com (cherry picked from commit 22d58188)