[PATCH] vsock: ratelimit unknown ioctl error message

[Colin King]

From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

When exercising the kernel with stress-ng with some ioctl tests the
"Unknown ioctl" error message is spamming the kernel log at a high
rate. Rate limit this message to reduce the noise.

Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
 net/vmw_vsock/af_vsock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 9e93bc201cc0..b8feb9223454 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -2072,7 +2072,7 @@ static long vsock_dev_do_ioctl(struct file *filp,
 		break;
 
 	default:
-		pr_err("Unknown ioctl %d\n", cmd);
+		pr_err_ratelimited("Unknown ioctl %d\n", cmd);
 		retval = -EINVAL;
 	}
 
-- 
2.27.0