net: hns3: modify the upper limit judgment condition (6104ca87) · Commits · 戴 / test

In order to prevent the variable anomaly from being larger than desc_num, the upper limit judgment condition becomes >=. Signed-off-by:

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

+2 −2

Original line number	Diff line number	Diff line
		@@ -197,7 +197,7 @@ static int hclge_cmd_check_retval(struct hclge_hw hw, struct hclge_desc desc,
		for (handle = 0; handle < num; handle++) {
		desc[handle] = hw->cmq.csq.desc[ntc];
		ntc++;
		if (ntc == hw->cmq.csq.desc_num)
		if (ntc >= hw->cmq.csq.desc_num)
		ntc = 0;
		}
		if (likely(!hclge_is_special_opcode(opcode)))
		@@ -254,7 +254,7 @@ int hclge_cmd_send(struct hclge_hw hw, struct hclge_desc desc, int num)
		desc_to_use = &hw->cmq.csq.desc[hw->cmq.csq.next_to_use];
		*desc_to_use = desc[handle];
		(hw->cmq.csq.next_to_use)++;
		if (hw->cmq.csq.next_to_use == hw->cmq.csq.desc_num)
		if (hw->cmq.csq.next_to_use >= hw->cmq.csq.desc_num)
		hw->cmq.csq.next_to_use = 0;
		handle++;
		}