Am 03.05.2017 17:12, schrieb Jiri Pirko:
> Wed, May 03, 2017 at 04:21:15PM CEST, wharms@xxxxxx wrote:
>>
>>
>> Am 03.05.2017 15:50, schrieb Colin King:
>>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>>
>>> head is previously null checked and so the 2nd null check on head
>>> is redundant and therefore can be removed.
>>>
>>> Detected by CoverityScan, CID#1399505 ("Logically dead code")
>>>
>>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>> ---
>>> net/sched/cls_matchall.c | 3 +--
>>> 1 file changed, 1 insertion(+), 2 deletions(-)
>>>
>>> diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
>>> index 2efb36c08f2a..dee469fed967 100644
>>> --- a/net/sched/cls_matchall.c
>>> +++ b/net/sched/cls_matchall.c
>>> @@ -203,8 +203,7 @@ static int mall_change(struct net *net, struct sk_buff *in_skb,
>>>
>>> *arg = (unsigned long) head;
>>> rcu_assign_pointer(tp->root, new);
>>> - if (head)
>>> - call_rcu(&head->rcu, mall_destroy_rcu);
>>> + call_rcu(&head->rcu, mall_destroy_rcu);
>>> return 0;
>>>
>>> err_replace_hw_filter:
>>
>>
>> if someone cares .. the err=0 in the the line above the patch is also useless
>> because err is never used again. Merging both if will save 1 indent level.
>>
>> err = mall_replace_hw_filter(tp, new, (unsigned long) new);
>> if (err && tc_skip_sw(flags) )
>> goto errout;
>
>
> true, however unrelated to this patch :)
>
> Please submit as a separate patch.
>
I have no linux git tree available, some one may take this.
re,
wh
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