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authorNeilBrown <neilb@suse.com>2015-09-05 11:07:04 +0200
committerNeilBrown <neilb@suse.com>2015-09-05 11:08:32 +0200
commite89c6fdf9e0eb1b5a03574d4ca73e83eae8deb91 (patch)
treef9df292ed03a5a3c4ddc658ae3646f02a1ffafce /drivers/xen/gntdev.c
parentc3cce6cda162eb2b2960a85d9c8992f4f3be85d0 (diff)
parent1081230b748de8f03f37f80c53dfa89feda9b8de (diff)
Merge linux-block/for-4.3/core into md/for-linux
There were a few conflicts that are fairly easy to resolve. Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r--drivers/xen/gntdev.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 67b9163db718..0dbb222daaf1 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -568,12 +568,14 @@ static int gntdev_release(struct inode *inode, struct file *flip)
pr_debug("priv %p\n", priv);
+ mutex_lock(&priv->lock);
while (!list_empty(&priv->maps)) {
map = list_entry(priv->maps.next, struct grant_map, next);
list_del(&map->next);
gntdev_put_map(NULL /* already removed */, map);
}
WARN_ON(!list_empty(&priv->freeable_maps));
+ mutex_unlock(&priv->lock);
if (use_ptemod)
mmu_notifier_unregister(&priv->mn, priv->mm);