Fix btrfs when ACLs are configured out
... otherwise generic_permission() will allow *anything* for all
files you don't own and that have some group permissions.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index cbba000..6039725 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -351,9 +351,4 @@
return 0;
}
-int btrfs_check_acl(struct inode *inode, int mask)
-{
- return 0;
-}
-
#endif /* CONFIG_FS_POSIX_ACL */
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 4d6e0b6..03441a9 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2301,7 +2301,11 @@
int btrfs_sync_fs(struct super_block *sb, int wait);
/* acl.c */
+#ifdef CONFIG_FS_POSIX_ACL
int btrfs_check_acl(struct inode *inode, int mask);
+#else
+#define btrfs_check_acl NULL
+#endif
int btrfs_init_acl(struct inode *inode, struct inode *dir);
int btrfs_acl_chmod(struct inode *inode);