Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszer...
[sfrench/cifs-2.6.git] / fs / open.c
index 373787afd638009a402b7a56b20372bfbd635706..6d2d2b33ac54e80374a273e331e2954711186e5a 100644 (file)
--- a/fs/open.c
+++ b/fs/open.c
@@ -193,7 +193,8 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
                goto out_putf;
 
        error = -EPERM;
                goto out_putf;
 
        error = -EPERM;
-       if (IS_APPEND(inode))
+       /* Check IS_APPEND on real upper inode */
+       if (IS_APPEND(file_inode(f.file)))
                goto out_putf;
 
        sb_start_write(inode->i_sb);
                goto out_putf;
 
        sb_start_write(inode->i_sb);