1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a3798a3aa0d2..64daf2acd0d5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7116,7 +7116,7 @@ static long btrfs_fallocate(struct inode *inode, int mode,
         alloc_end =  (offset + len + mask) & ~mask;
 
         /* We only support the FALLOC_FL_KEEP_SIZE mode */
-        if (mode && (mode != FALLOC_FL_KEEP_SIZE))
+        if (mode & ~FALLOC_FL_KEEP_SIZE)
                 return -EOPNOTSUPP;
 
         /*