lavu/common.h: Fix UB in av_clip_uintp2_c()

Found by value analysis
11 months ago · 3b9e457647
parent 60ab40be70
commit 3b9e457647
1 changed files with 2 additions and 2 deletions
--- a/libavutil/common.h
+++ b/libavutil/common.h
@ -279,7 +279,7 @@ static av_always_inline av_const int av_clip_intp2_c(int a, int p)
 */
 static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p)
 {
-    if (a & ~((1<<p) - 1)) return (~a) >> 31 & ((1<<p) - 1);
+    if (a & ~((1U<<p) - 1)) return (~a) >> 31 & ((1U<<p) - 1);
    else                    return  a;
 }