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GFS2: Fix ref count bug relating to atomic_open

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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 <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2013-11-21 18:47:57 +00:00
parent e3c4269d13
commit ea0341e071
1 changed files with 4 additions and 1 deletions
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fs/gfs2/inode.c
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@ -1171,8 +1171,11 @@ static int gfs2_atomic_open(struct inode *dir, struct dentry *dentry,
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;
}