Merge tag 'sound-4.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...

[uclinux-h8/linux.git] / block / blk-cgroup.c

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index c19f907..c630e02 100644 (file)
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1510,8 +1510,10 @@ int blkcg_policy_register(struct blkcg_policy *pol)
        for (i = 0; i < BLKCG_MAX_POLS; i++)
                if (!blkcg_policy[i])
                        break;
-       if (i >= BLKCG_MAX_POLS)
+       if (i >= BLKCG_MAX_POLS) {
+               pr_warn("blkcg_policy_register: BLKCG_MAX_POLS too small\n");
                goto err_unlock;
+       }
 
        /* Make sure cpd/pd_alloc_fn and cpd/pd_free_fn in pairs */
        if ((!pol->cpd_alloc_fn ^ !pol->cpd_free_fn) ||