[PATCH 1/3] nvmet: demote discovery cmd parse err msg to debug

Chaitanya Kulkarni chaitanya.kulkarni at wdc.com
Fri Apr 30 02:06:49 BST 2021


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 at wdc.com>
---
 drivers/nvme/target/discovery.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
index 4845d12e374a..fc3645fc2c24 100644
--- 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;
 	}
-- 
2.22.1




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