net: hns3: add protection when get SFP speed as 0 (2af8cb61) · Commits · 戴 / test

In some case, the MAC speed get from hardware maybe 0, it should not be set to mac->speed. Signed-off-by:

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -2835,6 +2835,12 @@ static int hclge_get_sfp_info(struct hclge_dev hdev, struct hclge_mac mac)
		return ret;
		}

		/* In some case, mac speed get from IMP may be 0, it shouldn't be
		* set to mac->speed.
		*/
		if (!le32_to_cpu(resp->speed))
		return 0;

		mac->speed = le32_to_cpu(resp->speed);
		/* if resp->speed_ability is 0, it means it's an old version
		* firmware, do not update these params