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To: David Marchand <david.marchand@redhat.com>, Rosen Xu <rosen.xu@intel.com>
Cc: dev <dev@dpdk.org>, dpdk stable <stable@dpdk.org>,
Xiaolong Ye <xiaolong.ye@intel.com>
References: <20191001125315.6191-1-ktraynor@redhat.com>
<20191001130405.7076-1-ktraynor@redhat.com>
<20191001130405.7076-3-ktraynor@redhat.com>
<CAJFAV8zrQj37SjvVfgJ5fcPP18ZjNeVo+t7N1=S6PV+Huzi9Sw@mail.gmail.com>
From: Kevin Traynor <ktraynor@redhat.com>
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Date: Tue, 5 Nov 2019 15:41:30 +0000
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Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH 4/9] net/ipn3ke: fix incorrect
commit check logic
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On 30/10/2019 07:59, David Marchand wrote:
> Hello Rosen,
>=20
> Review please.
>=20
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 !=3D IPN3KE_TM_NODE_LEVEL_COS ||
>> n->n_children !=3D 0U is true, because the 'then' and 'else' branche=
s
>> are identical. Should one of the branches be modified, or the entire
>> 'if' statement replaced?
>> 1506 if (n->level !=3D IPN3KE_TM_NODE_LEVEL_COS ||
>> 1507 n->n_children !=3D 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_d=
ev *dev,
>> NULL,
>> rte_strerror(EINVAL));
>> - } else {
>> - return -rte_tm_error_set(error,
>> - EINVAL,
>> - RTE_TM_ERROR_TYPE_UNSPEC=
IFIED,
>> - NULL,
>> - rte_strerror(EINVAL));
>> }
>> }
>> --
>> 2.21.0
>>
>=20