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| author | Kevin Hilman <khilman@linaro.org> | 2015-09-14 14:22:30 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-09-14 14:22:30 -0700 |
| commit | a143f427f3e7c6d80bc1d288334706a1f8237f5f (patch) | |
| tree | 59e96413cf2013afb70bfaaca5f89937d9d7ac20 /drivers/xen/gntdev.c | |
| parent | d9e292d3ea94ab21f028108527a908e415e856ef (diff) | |
| parent | f249a14dd1b6b341e7b5e29b64c0edae6e13b7f5 (diff) | |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-15.11-rtlsk-v4.1-15.10-rtlsk-v4.1-15.09-rt
Diffstat (limited to 'drivers/xen/gntdev.c')
| -rw-r--r-- | drivers/xen/gntdev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 89274850741b..4bd23bba816f 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); |