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authorAmir Goldstein <amir73il@gmail.com>2017-09-24 17:36:26 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2017-10-05 15:53:18 +0200
commit9f4ec904dbd4eb1a2db10d5e7dc16eae386fe64d (patch)
treefc7f6a7103c2e6924b2f70be065719e38e00835a /fs/overlayfs
parente0082a0f04c432cb6d7128ef60d8e425e45ce025 (diff)
ovl: fix dput() of ERR_PTR in ovl_cleanup_index()
Fixes: caf70cb2ba5d ("ovl: cleanup orphan index entries") Cc: <stable@vger.kernel.org> # v4.13 Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs')
-rw-r--r--fs/overlayfs/util.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 117794582f9f..7ae33d225a67 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -430,7 +430,7 @@ void ovl_inuse_unlock(struct dentry *dentry)
}
}
-/* Called must hold OVL_I(inode)->oi_lock */
+/* Caller must hold OVL_I(inode)->lock */
static void ovl_cleanup_index(struct dentry *dentry)
{
struct inode *dir = ovl_indexdir(dentry->d_sb)->d_inode;
@@ -469,6 +469,9 @@ static void ovl_cleanup_index(struct dentry *dentry)
err = PTR_ERR(index);
if (!IS_ERR(index))
err = ovl_cleanup(dir, index);
+ else
+ index = NULL;
+
inode_unlock(dir);
if (err)
goto fail;