weston/fullscreen-shell
Joshua Watt 617bb9afc9 Check weston_head_from_resource for NULL return
If the compositor is disabling a weston_output,
weston_head_from_resource can return NULL, so the return code must be
checked where used.

Fixes #638

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
2023-09-14 13:31:06 +03:00
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