avresample: Make sure the even check does not overflow

CC: libav-stable@libav.org Bug-Id: CID 732225
10 years ago · 963f761448
parent 088eca2816
commit 963f761448
1 changed files with 1 additions and 1 deletions
--- a/libavresample/audio_mix_matrix.c
+++ b/libavresample/audio_mix_matrix.c
@ -60,7 +60,7 @@

 static av_always_inline int even(uint64_t layout)
 {
-    return (!layout || (layout & (layout - 1)));
+    return (!layout || !!(layout & (layout - 1)));
 }

 static int sane_layout(uint64_t layout)