arm64: dts: Makefile: Add more rockchip target in dtbs list

[firefly-linux-kernel-4.4.55.git] / fs / posix_acl.c

diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 8bd2135b7f82ce181445f8e4804d4b226dca4891..3542f1f814e2a966d33429f61e9f78ab5404a18c 100644 (file)
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -158,6 +158,12 @@ posix_acl_equiv_mode(const struct posix_acl *acl, umode_t *mode_p)
        umode_t mode = 0;
        int not_equiv = 0;
 
+       /*
+        * A null ACL can always be presented as mode bits.
+        */
+       if (!acl)
+               return 0;
+
        FOREACH_ACL_ENTRY(pa, acl, pe) {
                switch (pa->e_tag) {
                        case ACL_USER_OBJ: