nvmet: demote discovery cmd parse err msg to debug

Host can send invalid commands and flood the target with error messages
for the discovery controller. Demote the error message from pr_err() to
pr_debug( in nvmet_parse_discovery_cmd(). 

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
index 4845d12..fc3645f 100644 (file)
--- a/drivers/nvme/target/discovery.c
+++ b/drivers/nvme/target/discovery.c
@@ -379,7 +379,7 @@ u16 nvmet_parse_discovery_cmd(struct nvmet_req *req)
                req->execute = nvmet_execute_disc_identify;
                return 0;
        default:
-               pr_err("unhandled cmd %d\n", cmd->common.opcode);
+               pr_debug("unhandled cmd %d\n", cmd->common.opcode);
                req->error_loc = offsetof(struct nvme_common_command, opcode);
                return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
        }