net: hns3: add hclge_cmd_check_retval() to parse comman's return value
For simplifying the code, this patch adds hclge_cmd_check_retval() to check the return value of the command. Also, according the IMP's description, when there are several descriptors in a command, then the IMP will save the return value on the last description, so hclge_cmd_check_retval() just check the last one for this case. Signed-off-by: NWeihang Li <liweihang@hisilicon.com> Signed-off-by: NPeng Li <lipeng321@huawei.com> Signed-off-by: NHuazhong Tan <tanhuazhong@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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