Thread (12 messages) flat view 12 messages, 3 authors, 2021-01-20

Re: [PATCH 1/3] net: usb: cdc_ncm: emit dev_err on error paths

From: Grant Grundler <hidden>
Date: 2021-01-18 22:02:50
Also in: linux-usb, lkml

+nic_swsd [adding per Realtek developer team request]

On Sat, Jan 16, 2021 at 5:26 AM Grant Grundler [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Several error paths in bind/probe code will only emit
output using dev_dbg. But if we are going to fail the
bind/probe, emit related output with "err" priority.

Signed-off-by: Grant Grundler <redacted>
---
 drivers/net/usb/cdc_ncm.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 5a78848db93f..25498c311551 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -849,17 +849,17 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_

        /* check if we got everything */
        if (!ctx->data) {
-               dev_dbg(&intf->dev, "CDC Union missing and no IAD found\n");
+               dev_err(&intf->dev, "CDC Union missing and no IAD found\n");
                goto error;
        }
        if (cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting)) {
                if (!ctx->mbim_desc) {
-                       dev_dbg(&intf->dev, "MBIM functional descriptor missing\n");
+                       dev_err(&intf->dev, "MBIM functional descriptor missing\n");
                        goto error;
                }
        } else {
                if (!ctx->ether_desc || !ctx->func_desc) {
-                       dev_dbg(&intf->dev, "NCM or ECM functional descriptors missing\n");
+                       dev_err(&intf->dev, "NCM or ECM functional descriptors missing\n");
                        goto error;
                }
        }
@@ -868,7 +868,7 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
        if (ctx->data != ctx->control) {
                temp = usb_driver_claim_interface(driver, ctx->data, dev);
                if (temp) {
-                       dev_dbg(&intf->dev, "failed to claim data intf\n");
+                       dev_err(&intf->dev, "failed to claim data intf\n");
                        goto error;
                }
        }
@@ -924,7 +924,7 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
        if (ctx->ether_desc) {
                temp = usbnet_get_ethernet_addr(dev, ctx->ether_desc->iMACAddress);
                if (temp) {
-                       dev_dbg(&intf->dev, "failed to get mac address\n");
+                       dev_err(&intf->dev, "failed to get mac address\n");
                        goto error2;
                }
                dev_info(&intf->dev, "MAC-Address: %pM\n", dev->net->dev_addr);
--
2.29.2
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