From: Steven Whitehouse <swhiteho@redhat.com>
Date: Tue, 20 Jan 2009 16:39:23 +0000 (+0000)
Subject: GFS2: Fix error path ref counting for root inode
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e7c8707ea2b9106f0f78c43348ff5d5e82ba7961;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

GFS2: Fix error path ref counting for root inode

We were keeping hold of an extra ref to the root inode in one
of the error paths, that resulted in a hang.

Reported-by: Nate Straz <nstraz@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Tested-by: Robert Peterson <rpeterso@redhat.com>
---

diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 95bb33e41a76..e502b379a4da 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1258,6 +1258,8 @@ fail_sb:
 		dput(sdp->sd_root_dir);
 	if (sdp->sd_master_dir)
 		dput(sdp->sd_master_dir);
+	if (sb->s_root)
+		dput(sb->s_root);
 	sb->s_root = NULL;
 fail_locking:
 	init_locking(sdp, &mount_gh, UNDO);