net_sched: fix error return code in fw_change_attrs()
The error code was not set if change indev fail, so the error
condition wasn't reflected in the return value. Fix to return a
negative error code from this error handling case instead of 0.
Fixes: 2519a602c273 ('net_sched: optimize tcf_match_indev()')
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index ed00e8c..a366537 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -209,8 +209,10 @@
if (tb[TCA_FW_INDEV]) {
int ret;
ret = tcf_change_indev(net, tb[TCA_FW_INDEV]);
- if (ret < 0)
+ if (ret < 0) {
+ err = ret;
goto errout;
+ }
f->ifindex = ret;
}
#endif /* CONFIG_NET_CLS_IND */