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net: cls_basic: return from walking on match in basic_get 

As soon as we've found a matching handle in basic_get(), we can
return it. There's no need to continue walking until the end of
a filter chain, since they are unique anyway.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Cc: Thomas Graf <tgraf@suug.ch>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Borkmann 2015-01-22 10:58:18 +01:00 committed by David S. Miller
parent fa067467d8
commit 1c1bc6bdb7
1 changed files with 5 additions and 2 deletions
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7
net/sched/cls_basic.c
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@ -65,9 +65,12 @@ static unsigned long basic_get(struct tcf_proto *tp, u32 handle)
if (head == NULL)
return 0UL;
list_for_each_entry(f, &head->flist, link)
if (f->handle == handle)
list_for_each_entry(f, &head->flist, link) {
if (f->handle == handle) {
l = (unsigned long) f;
break;
}
}
return l;
}