autofs: fix autofs4_fill_super() error exit handling

Somewhere along the line the error handling gotos have become incorrect.

Link: http://lkml.kernel.org/r/20160812024749.12352.15100.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@themaw.net>
Cc: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index d76573f..3f486c1 100644 (file)
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -313,7 +313,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 
        if (!pipe) {
                pr_err("could not open pipe file descriptor\n");
-               goto fail_dput;
+               goto fail_put_pid;
        }
        ret = autofs_prepare_pipe(pipe);
        if (ret < 0)
@@ -334,14 +334,14 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 fail_fput:
        pr_err("pipe file descriptor does not contain proper ops\n");
        fput(pipe);
-       /* fall through */
+fail_put_pid:
+       put_pid(sbi->oz_pgrp);
 fail_dput:
        dput(root);
        goto fail_free;
 fail_ino:
        kfree(ino);
 fail_free:
-       put_pid(sbi->oz_pgrp);
        kfree(sbi);
        s->s_fs_info = NULL;
        return ret;