Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / block / blk-cgroup.c

diff --git a/kernel/block/blk-cgroup.c b/kernel/block/blk-cgroup.c
index 5a37188..9d359e0 100644 (file)
--- a/kernel/block/blk-cgroup.c
+++ b/kernel/block/blk-cgroup.c
@@ -1331,10 +1331,8 @@ int blkcg_policy_register(struct blkcg_policy *pol)
                        struct blkcg_policy_data *cpd;
 
                        cpd = pol->cpd_alloc_fn(GFP_KERNEL);
-                       if (!cpd) {
-                               mutex_unlock(&blkcg_pol_mutex);
+                       if (!cpd)
                                goto err_free_cpds;
-                       }
 
                        blkcg->cpd[pol->plid] = cpd;
                        cpd->blkcg = blkcg;