dix: handle allocation failure in DeviceFocusEvent()

Reported in #1817:

xwayland-24.1.6/redhat-linux-build/../dix/enterleave.c:786:5:
 warning[-Wanalyzer-possible-null-dereference]:
 dereference of possibly-NULL ‘xi2event’

Fixes: 3f37923a7 ("Xi: send XI2 focus events." in Xorg 1.10.0)
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2078>
This commit is contained in:
Alan Coopersmith 2025-10-11 12:59:04 -07:00 committed by Marge Bot
parent 7e6c55cc9f
commit dedceb52bc

View file

@ -783,6 +783,7 @@ DeviceFocusEvent(DeviceIntPtr dev, int type, int mode, int detail,
len = sizeof(xXIFocusInEvent) + btlen * 4;
xi2event = calloc(1, len);
BUG_RETURN(xi2event == NULL);
xi2event->type = GenericEvent;
xi2event->extension = IReqCode;
xi2event->evtype = type;