fuse: refresh stale attributes in fuse_permission()

fuse_permission() didn't refresh inode attributes before using them, even if
the validity has already expired.

Thanks to Junjiro Okajima for spotting this.

Also remove some old code to unconditionally refresh the attributes on the
root inode.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 8 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index fb1713e76756..f3ef2bde983b 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -106,14 +106,6 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir)
         if (err)
                 return err;
 
-        /* If opening the root node, no lookup has been performed on
-           it, so the attributes must be refreshed */
-        if (get_node_id(inode) == FUSE_ROOT_ID) {
-                err = fuse_do_getattr(inode);
-                if (err)
-                        return err;
-        }
-
         ff = fuse_file_alloc();
         if (!ff)
                 return -ENOMEM;