block: remove useless caller argument to print_req_error()

We have exactly one caller of this, just get rid of adding the useless
function name to the output.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-core.c

@@ -216,8 +216,7 @@ int blk_status_to_errno(blk_status_t status)
 }
 EXPORT_SYMBOL_GPL(blk_status_to_errno);
 
-static void print_req_error(struct request *req, blk_status_t status,
-		const char *caller)
+static void print_req_error(struct request *req, blk_status_t status)
 {
 	int idx = (__force int)status;
 
@@ -225,9 +224,9 @@ static void print_req_error(struct request *req, blk_status_t status,
 		return;
 
 	printk_ratelimited(KERN_ERR
-		"%s: %s error, dev %s, sector %llu op 0x%x:(%s) flags 0x%x "
+		"%s error, dev %s, sector %llu op 0x%x:(%s) flags 0x%x "
 		"phys_seg %u prio class %u\n",
-		caller, blk_errors[idx].name,
+		blk_errors[idx].name,
 		req->rq_disk ? req->rq_disk->disk_name : "?",
 		blk_rq_pos(req), req_op(req), blk_op_str(req_op(req)),
 		req->cmd_flags & ~REQ_OP_MASK,
@@ -1471,7 +1470,7 @@ bool blk_update_request(struct request *req, blk_status_t error,
 
 	if (unlikely(error && !blk_rq_is_passthrough(req) &&
 		     !(req->rq_flags & RQF_QUIET)))
-		print_req_error(req, error, __func__);
+		print_req_error(req, error);
 
 	blk_account_io_completion(req, nr_bytes);