block: blk_init_allocated_queue() set q->fq as NULL in the fail case

[mirror_ubuntu-bionic-kernel.git] / block / blk-sysfs.c

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index e54be402899daa18dc45ef35130d7e191d459bb0..870484eaed1f64b586ccb0fd4dd34c3f9462a29d 100644 (file)
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -450,12 +450,9 @@ static ssize_t queue_wb_lat_store(struct request_queue *q, const char *page,
                ret = wbt_init(q);
                if (ret)
                        return ret;
-
-               rwb = q->rq_wb;
-               if (!rwb)
-                       return -EINVAL;
        }
 
+       rwb = q->rq_wb;
        if (val == -1)
                rwb->min_lat_nsec = wbt_default_latency_nsec(q);
        else if (val >= 0)