lavfi: avfilter_merge_formats: handle case where inputs are same
This fixes a double-free crash if lists are the same due to the two
merge_ref() calls at the end of the (useless) merging that happens.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit 11b6a82412
)
Conflicts:
libavfilter/formats.c
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:

committed by
Reinhard Tartler

parent
99008ba366
commit
10c244cc89
@@ -44,6 +44,9 @@ AVFilterFormats *avfilter_merge_formats(AVFilterFormats *a, AVFilterFormats *b)
|
|||||||
AVFilterFormats *ret;
|
AVFilterFormats *ret;
|
||||||
unsigned i, j, k = 0;
|
unsigned i, j, k = 0;
|
||||||
|
|
||||||
|
if (a == b)
|
||||||
|
return a;
|
||||||
|
|
||||||
if (a == b)
|
if (a == b)
|
||||||
return a;
|
return a;
|
||||||
|
|
||||||
|
Reference in New Issue
Block a user