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present: prevent memory leaks in present_create_notifies()

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Reported in #1817:
xwayland-24.1.6/redhat-linux-build/../present/present_notify.c:83:17:
 warning[-Wanalyzer-malloc-leak]: leak of ‘notifies’
xwayland-24.1.6/redhat-linux-build/../present/present_notify.c:83:17:
 branch_false: following ‘false’ branch (when ‘i >= num_notifies’)...

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2164>
This commit is contained in:
Alan Coopersmith
2026-03-30 12:06:04 -07:00
committed by Enrico Weigelt, metux IT consult
parent 29f39cf072
commit cbe66c79bf
1 changed files with 7 additions and 0 deletions
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7
present/present_notify.c
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@@ -78,6 +78,13 @@ present_create_notifies(ClientPtr client, int num_notifies, xPresentNotify *x_no
int added = 0;
int status;
if (num_notifies <= 0) {
if (num_notifies == 0)
return Success;
else
return BadLength;
}
notifies = calloc (num_notifies, sizeof (present_notify_rec));
if (!notifies)
return BadAlloc;