3.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Steven Whitehouse <swhit...@redhat.com>
commit ea0341e071527d5cec350917b01ab901af09d758 upstream.
In the case that atomic_open calls finish_no_open() with
the dentry that was supplied to gfs2_atomic_open() an
extra reference count is required. This patch fixes that
issue preventing a bug trap triggering at umount time.
Signed-off-by: Steven Whitehouse <swhit...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
fs/gfs2/inode.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1168,8 +1168,11 @@ static int gfs2_atomic_open(struct inode
if (d != NULL)
dentry = d;
if (dentry->d_inode) {
- if (!(*opened & FILE_OPENED))
+ if (!(*opened & FILE_OPENED)) {
+ if (d == NULL)
+ dget(dentry);
return finish_no_open(file, dentry);
+ }
dput(d);
return 0;
}
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