1 files changed, 1 insertions, 2 deletions

diff --git a/fs/xfs/xfs_bit.h b/fs/xfs/xfs_bit.h
index 8e0e463dae2d..bca7b243c319 100644
--- a/fs/xfs/xfs_bit.h
+++ b/fs/xfs/xfs_bit.h
@@ -61,8 +61,7 @@ static inline int xfs_highbit64(__uint64_t v)
 /* Get low bit set out of 32-bit argument, -1 if none set */
 static inline int xfs_lowbit32(__uint32_t v)
 {
-        unsigned long   t = v;
-        return (v) ? find_first_bit(&t, 32) : -1;
+        return ffs(v) - 1;
 }
 
 /* Get low bit set out of 64-bit argument, -1 if none set */