X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=block%2Fblk-cgroup.c;h=9d359e05fad74d0a2f2a9a64ef3aeeb40bb3a7d6;hb=4e90b688013526340fef9f11ae0184888fd563d1;hp=5a37188b559fba8feb1da48b00d5290c3a6a09b6;hpb=9c982e86dbdbaa3fb248dfc776dddda32cbc8927;p=firefly-linux-kernel-4.4.55.git

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 5a37188b559f..9d359e05fad7 100644
--- a/block/blk-cgroup.c
+++ b/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;