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net: sched: return -ENOENT when trying to remove filter from non-existent chain 

When chain 0 was implicitly created, removal of non-existent filter from
chain 0 gave -ENOENT. Once chain 0 became non-implicit, the same call is
giving -EINVAL. Fix this by returning -ENOENT in that case.

Reported-by: Roman Mashak <mrv@mojatatu.com>
Fixes: f71e0ca4db ("net: sched: Avoid implicit chain 0 creation")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2018-08-27 20:58:44 +02:00 committed by David S. Miller
parent d5ed72a55b
commit b7b4247d55
1 changed files with 1 additions and 1 deletions
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2
net/sched/cls_api.c
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@ -1399,7 +1399,7 @@ static int tc_del_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
goto errout;
}
NL_SET_ERR_MSG(extack, "Cannot find specified filter chain");
err = -EINVAL;
err = -ENOENT;
goto errout;
}