Unverified Commit a0f4a901 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!10266 USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages 

Merge Pull Request from: @ci-robot 
 
PR sync from: Jinjiang Tu <tujinjiang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/4CTOMUFI32TPN2B2KZS76XOV2OZZAPO2/ 
 
https://gitee.com/src-openeuler/kernel/issues/IACQYO 
 
Link:https://gitee.com/openeuler/kernel/pulls/10266

 

Reviewed-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents d61876d1 11a851ff

drivers/usb/class/cdc-wdm.c

+2 −2
Original line number Diff line number Diff line
@@ -252,14 +252,14 @@ static void wdm_int_callback(struct urb *urb) 
			dev_err(&desc->intf->dev, "Stall on int endpoint\n");

			goto sw; /* halt is cleared in work */

		default:

			dev_err(&desc->intf->dev,

			dev_err_ratelimited(&desc->intf->dev,

				"nonzero urb status received: %d\n", status);

			break;

		}

	}



	if (urb->actual_length < sizeof(struct usb_cdc_notification)) {

		dev_err(&desc->intf->dev, "wdm_int_callback - %d bytes\n",

		dev_err_ratelimited(&desc->intf->dev, "wdm_int_callback - %d bytes\n",

			urb->actual_length);

		goto exit;

	}