sfc: Downgrade EPERM messages from MCDI to debug

When running in an unprivileged function we expect some MC commands
to fail with permission errors. To avoid log spew downgrade these to
debug only.

Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index d6b8a77f5b226499a25bba6b0cd736b74721e50b..d28e7dd8fa3ca4c9863f21eb6c7aa0f1cde0c9fd 100644 (file)
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -1082,9 +1082,10 @@ void efx_mcdi_display_error(struct efx_nic *efx, unsigned cmd,
                code = MCDI_DWORD(outbuf, ERR_CODE);
        if (outlen >= MC_CMD_ERR_ARG_OFST + 4)
                err_arg = MCDI_DWORD(outbuf, ERR_ARG);
-       netif_err(efx, hw, efx->net_dev,
-                 "MC command 0x%x inlen %d failed rc=%d (raw=%d) arg=%d\n",
-                 cmd, (int)inlen, rc, code, err_arg);
+       netif_printk(efx, hw, rc == -EPERM ? KERN_DEBUG : KERN_ERR,
+                    efx->net_dev,
+                    "MC command 0x%x inlen %zu failed rc=%d (raw=%d) arg=%d\n",
+                    cmd, inlen, rc, code, err_arg);
 }
 
 /* Switch to polled MCDI completions.  This can be called in various