x86/tls: Don't validate lm in set_thread_area() after all

[pandora-kernel.git] / fs / posix_acl.c

diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 10027b4..6c70ab2 100644 (file)
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -155,6 +155,12 @@ 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:
@@ -218,6 +224,8 @@ posix_acl_permission(struct inode *inode, const struct posix_acl *acl, int want)
        const struct posix_acl_entry *pa, *pe, *mask_obj;
        int found = 0;
 
+       want &= MAY_READ | MAY_WRITE | MAY_EXEC | MAY_NOT_BLOCK;
+
        FOREACH_ACL_ENTRY(pa, acl, pe) {
                 switch(pa->e_tag) {
                         case ACL_USER_OBJ: