From: Kevin Traynor <ktraynor@redhat.com>
To: "Xu, Rosen" <rosen.xu@intel.com>,
David Marchand <david.marchand@redhat.com>
Cc: dev <dev@dpdk.org>, dpdk stable <stable@dpdk.org>,
"Ye, Xiaolong" <xiaolong.ye@intel.com>
Subject: Re: [dpdk-dev] [PATCH 4/9] net/ipn3ke: fix incorrect commit check logic
Date: Fri, 8 Nov 2019 14:47:45 +0000 [thread overview]
Message-ID: <c5f36dc0-e01e-ad2e-a0c0-ed9cabf3797e@redhat.com> (raw)
In-Reply-To: <0E78D399C70DA940A335608C6ED296D73AB392C6@SHSMSX104.ccr.corp.intel.com>
On 08/11/2019 14:45, Xu, Rosen wrote:
> Hi Kevin,
>
> Too many things in these days, sorry for late reply.
>
Hi Rosen, no problem, thanks for the Ack.
Kevin.
>> -----Original Message-----
>> From: Kevin Traynor [mailto:ktraynor@redhat.com]
>> Sent: Tuesday, November 05, 2019 23:42
>> To: David Marchand <david.marchand@redhat.com>; Xu, Rosen
>> <rosen.xu@intel.com>
>> Cc: dev <dev@dpdk.org>; dpdk stable <stable@dpdk.org>; Ye, Xiaolong
>> <xiaolong.ye@intel.com>
>> Subject: Re: [dpdk-dev] [PATCH 4/9] net/ipn3ke: fix incorrect commit check
>> logic
>>
>> On 30/10/2019 07:59, David Marchand wrote:
>>> Hello Rosen,
>>>
>>> Review please.
>>>
>>
>> Ping Rosen.
>>
>>> On Tue, Oct 1, 2019 at 3:04 PM Kevin Traynor <ktraynor@redhat.com>
>> wrote:
>>>>
>>>> Coverity is complaining about identical code regardless of which
>>>> branch of the if else is taken. Functionally it means an error will
>>>> always be returned if this if else is hit. Remove the else branch.
>>>>
>>>> CID 337928 (#1 of 1): Identical code for different branches
>>>> (IDENTICAL_BRANCHES)identical_branches: The same code is executed
>>>> regardless of whether n->level != IPN3KE_TM_NODE_LEVEL_COS ||
>>>> n->n_children != 0U is true, because the 'then' and 'else' branches
>>>> are identical. Should one of the branches be modified, or the entire
>>>> 'if' statement replaced?
>
> Yes, you are right.
>
>>>> 1506 if (n->level != IPN3KE_TM_NODE_LEVEL_COS ||
>>>> 1507 n->n_children != 0) {
>>>> 1508 return -rte_tm_error_set(error,
>>>> 1509 EINVAL,
>>>> 1510 RTE_TM_ERROR_TYPE_UNSPECIFIED,
>>>> 1511 NULL,
>>>> 1512 rte_strerror(EINVAL));
>>>> else_branch: The else branch, identical to the then branch.
>>>> 1513 } else {
>>>> 1514 return -rte_tm_error_set(error,
>>>> 1515 EINVAL,
>>>> 1516 RTE_TM_ERROR_TYPE_UNSPECIFIED,
>>>> 1517 NULL,
>>>> 1518 rte_strerror(EINVAL));
>>>> 1519 }
>>>>
>>>> Coverity issue: 337928
>>>> Fixes: c820468ac99c ("net/ipn3ke: support TM")
>>>> Cc: rosen.xu@intel.com
>>>> Cc: stable@dpdk.org
>>>>
>>>> Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
>>>> ---
>>>> drivers/net/ipn3ke/ipn3ke_tm.c | 6 ------
>>>> 1 file changed, 6 deletions(-)
>>>>
>>>> diff --git a/drivers/net/ipn3ke/ipn3ke_tm.c
>>>> b/drivers/net/ipn3ke/ipn3ke_tm.c index adf02c157..a93145d59 100644
>>>> --- a/drivers/net/ipn3ke/ipn3ke_tm.c
>>>> +++ b/drivers/net/ipn3ke/ipn3ke_tm.c
>>>> @@ -1511,10 +1511,4 @@ ipn3ke_tm_hierarchy_commit_check(struct
>> rte_eth_dev *dev,
>>>> NULL,
>>>> rte_strerror(EINVAL));
>>>> - } else {
>>>> - return -rte_tm_error_set(error,
>>>> - EINVAL,
>>>> - RTE_TM_ERROR_TYPE_UNSPECIFIED,
>>>> - NULL,
>>>> - rte_strerror(EINVAL));
>>>> }
>>>> }
>>>> --
>>>> 2.21.0
>>>>
>>>
>
> Reviewed-by: Rosen Xu <rosen.xu@intel.com>
>
next prev parent reply other threads:[~2019-11-08 14:47 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-01 12:53 [dpdk-dev] [PATCH 0/9] Coverity fixes and other cleanups Kevin Traynor
2019-10-01 12:53 ` [dpdk-dev] [PATCH 1/9] net/pcap: fix argument checks Kevin Traynor
2019-10-04 10:57 ` Ferriter, Cian
2019-10-30 7:52 ` David Marchand
2019-11-05 16:40 ` Kevin Traynor
2019-11-05 17:10 ` Ferriter, Cian
2019-11-06 19:03 ` Kevin Traynor
2019-10-01 13:03 ` [dpdk-dev] [PATCH 2/9] crypto/octeontx: fix possible NULL deference Kevin Traynor
2019-10-01 13:03 ` [dpdk-dev] [PATCH 3/9] net/bnxt: remove logically dead code Kevin Traynor
2019-10-02 1:28 ` Ajit Khaparde
2019-10-30 7:43 ` David Marchand
2019-10-30 16:27 ` Ajit Khaparde
2019-11-05 15:39 ` Kevin Traynor
2019-10-01 13:04 ` [dpdk-dev] [PATCH 4/9] net/ipn3ke: fix incorrect commit check logic Kevin Traynor
2019-10-30 7:59 ` David Marchand
2019-11-05 15:41 ` Kevin Traynor
2019-11-08 14:45 ` Xu, Rosen
2019-11-08 14:47 ` Kevin Traynor [this message]
2019-11-08 14:35 ` Xu, Rosen
2019-11-08 14:52 ` Xu, Rosen
2019-10-01 13:04 ` [dpdk-dev] [PATCH 5/9] net/ipn3ke: remove useless if statement Kevin Traynor
2019-10-30 8:01 ` [dpdk-dev] [dpdk-stable] " David Marchand
2019-11-08 14:35 ` Xu, Rosen
2019-11-08 14:52 ` [dpdk-dev] " Xu, Rosen
2019-10-01 13:04 ` [dpdk-dev] [PATCH 6/9] net/ipn3ke: remove commented out code Kevin Traynor
2019-10-30 8:04 ` [dpdk-dev] [dpdk-stable] " David Marchand
2019-11-08 14:40 ` Xu, Rosen
2019-11-08 14:51 ` [dpdk-dev] " Xu, Rosen
2019-10-01 13:04 ` [dpdk-dev] [PATCH 7/9] compress/octeontx: " Kevin Traynor
2019-10-30 8:06 ` David Marchand
2019-10-01 13:04 ` [dpdk-dev] [PATCH 8/9] event/opdl: " Kevin Traynor
2019-10-03 10:50 ` Liang, Ma
2019-10-01 13:04 ` [dpdk-dev] [PATCH 9/9] net/bnxt: " Kevin Traynor
2019-10-01 15:42 ` Ajit Khaparde
2019-10-30 7:56 ` [dpdk-dev] [dpdk-stable] [PATCH 2/9] crypto/octeontx: fix possible NULL deference David Marchand
2019-11-06 19:01 ` [dpdk-dev] [v2 PATCH 0/8] Coverity fixes and other cleanups Kevin Traynor
2019-11-06 19:01 ` [dpdk-dev] [v2 PATCH 1/8] net/pcap: fix argument checks Kevin Traynor
2019-11-06 19:01 ` [dpdk-dev] [v2 PATCH 2/8] common/cpt: fix possible NULL deference Kevin Traynor
2019-11-06 19:01 ` [dpdk-dev] [v2 PATCH 3/8] net/ipn3ke: fix incorrect commit check logic Kevin Traynor
2019-11-08 14:50 ` Xu, Rosen
2019-11-06 19:01 ` [dpdk-dev] [v2 PATCH 4/8] net/ipn3ke: remove useless if statement Kevin Traynor
2019-11-08 14:49 ` Xu, Rosen
2019-11-06 19:02 ` [dpdk-dev] [v2 PATCH 5/8] net/ipn3ke: remove commented out code Kevin Traynor
2019-11-08 14:50 ` Xu, Rosen
2019-11-06 19:02 ` [dpdk-dev] [v2 PATCH 6/8] compress/octeontx: " Kevin Traynor
2019-11-06 19:02 ` [dpdk-dev] [v2 PATCH 7/8] event/opdl: " Kevin Traynor
2019-11-06 19:02 ` [dpdk-dev] [v2 PATCH 8/8] net/bnxt: " Kevin Traynor
2019-11-08 14:07 ` [dpdk-dev] [v2 PATCH 0/8] Coverity fixes and other cleanups David Marchand
2019-11-08 14:41 ` Xu, Rosen
2019-11-08 15:15 ` David Marchand
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