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bo: Free event_y in case of error to prevent memory leak (CID ##1160682)

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If the call to _cairo_malloc_ab_plus_c() fails, it returns an error
without first freeing event_y.

Coverity ID: #1160682
Signed-off-by: Bryce Harrington <bryce@bryceharrington.org>
Reviewed-By: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Bryce Harrington 2018-06-12 14:23:40 -07:00
parent 1c3ecfac13
commit 9c56502e06
1 changed files with 4 additions and 1 deletions
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5
src/cairo-bentley-ottmann.c
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@ -1501,8 +1501,11 @@ _cairo_bentley_ottmann_tessellate_polygon (cairo_traps_t *traps,
sizeof (cairo_bo_start_event_t) +
sizeof (cairo_bo_event_t *),
sizeof (cairo_bo_event_t *));
if (unlikely (events == NULL))
if (unlikely (events == NULL)) {
if (event_y != stack_event_y)
free (event_y);
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
}
event_ptrs = (cairo_bo_event_t **) (events + num_events);
}