->permission() sanitizing: pass MAY_NOT_BLOCK to ->check_acl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index f66fc9959733..a25a4a2e0df2 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -199,10 +199,9 @@ int btrfs_check_acl(struct inode *inode, int mask, unsigned int flags)
 {
         int error = -EAGAIN;
 
-        if (flags & IPERM_FLAG_RCU) {
+        if (mask & MAY_NOT_BLOCK) {
                 if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
                         error = -ECHILD;
-
         } else {
                 struct posix_acl *acl;
                 acl = btrfs_get_acl(inode, ACL_TYPE_ACCESS);