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dix: handle allocation failure in DeviceFocusEvent()

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Reported in https://gitlab.freedesktop.org/xorg/xserver/-/issues/1817:

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

Fixes: 3f37923a72 ("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
2025-10-26 16:53:22 +02:00
committed by Enrico Weigelt, metux IT consult
parent a1f3edddf4
commit e352fdecfe
1 changed files with 1 additions and 2 deletions
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3
dix/enterleave.c
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@@ -774,8 +774,7 @@ DeviceFocusEvent(DeviceIntPtr dev, int type, int mode, int detail,
len = sizeof(xXIFocusInEvent) + btlen * 4;
xXIFocusInEvent *xi2event = calloc(1, len);
if (!xi2event)
return;
BUG_RETURN(xi2event == NULL);
xi2event->type = GenericEvent;
xi2event->extension = EXTENSION_MAJOR_XINPUT;