From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
To: Andy Green <andy@warmcat.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "stable@dpdk.org" <stable@dpdk.org>,
"Mody, Rasesh" <Rasesh.Mody@cavium.com>,
"Patil, Harish" <Harish.Patil@cavium.com>,
"Shahed.Shaikh@cavium.com" <Shahed.Shaikh@cavium.com>
Subject: Re: [dpdk-dev] [PATCH v4 09/18] net/qede: strncpy length constant and NUL
Date: Fri, 11 May 2018 15:14:30 +0000 [thread overview]
Message-ID: <E115CCD9D858EF4F90C690B0DCB4D8976CD08EF1@IRSMSX108.ger.corp.intel.com> (raw)
In-Reply-To: <7462e3b8-d0ec-a90f-0fa8-bae565ce6634@warmcat.com>
> -----Original Message-----
> From: Andy Green [mailto:andy@warmcat.com]
> Sent: Friday, May 11, 2018 2:39 PM
> To: De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>; dev@dpdk.org
> Cc: stable@dpdk.org; Mody, Rasesh <Rasesh.Mody@cavium.com>; Patil, Harish
> <Harish.Patil@cavium.com>; Shahed.Shaikh@cavium.com
> Subject: Re: [dpdk-dev] [PATCH v4 09/18] net/qede: strncpy length constant and
> NUL
>
>
>
> On 05/11/2018 08:48 PM, De Lara Guarch, Pablo wrote:
> >
> >
> >> -----Original Message-----
> >> From: Andy Green [mailto:andy@warmcat.com]
> >> Sent: Friday, May 11, 2018 11:48 AM
> >> To: De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>;
> >> dev@dpdk.org
> >> Cc: stable@dpdk.org; Mody, Rasesh <Rasesh.Mody@cavium.com>; Patil,
> >> Harish <Harish.Patil@cavium.com>; Shahed.Shaikh@cavium.com
> >> Subject: Re: [dpdk-dev] [PATCH v4 09/18] net/qede: strncpy length
> >> constant and NUL
> >>
> >>
> >>
> >> On 05/11/2018 06:43 PM, De Lara Guarch, Pablo wrote:
> >>>
> >>>
> >>>> -----Original Message-----
> >>>> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Andy Green
> >>>> Sent: Friday, May 11, 2018 2:46 AM
> >>>> To: dev@dpdk.org
> >>>> Subject: [dpdk-dev] [PATCH v4 09/18] net/qede: strncpy length
> >>>> constant and NUL
> >>>>
> >>>> Signed-off-by: Andy Green <andy@warmcat.com>
> >>>> ---
> >>>> drivers/net/qede/base/ecore_int.c | 8 +++++---
> >>>> 1 file changed, 5 insertions(+), 3 deletions(-)
> >>>>
> >>>> diff --git a/drivers/net/qede/base/ecore_int.c
> >>>> b/drivers/net/qede/base/ecore_int.c
> >>>> index f43781ba4..d9e22b5ed 100644
> >>>> --- a/drivers/net/qede/base/ecore_int.c
> >>>> +++ b/drivers/net/qede/base/ecore_int.c
> >>>> @@ -6,6 +6,8 @@
> >>>> * See LICENSE.qede_pmd for copyright and licensing details.
> >>>> */
> >>>>
> >>>> +#include <rte_string_fns.h>
> >>>> +
> >>>> #include "bcm_osal.h"
> >>>> #include "ecore.h"
> >>>> #include "ecore_spq.h"
> >>>> @@ -1104,9 +1106,9 @@ static enum _ecore_status_t
> >>>> ecore_int_deassertion(struct ecore_hwfn *p_hwfn,
> >>>> p_aeu->bit_name,
> >>>> num);
> >>>> else
> >>>> - OSAL_STRNCPY(bit_name,
> >>>> - p_aeu->bit_name,
> >>>> - 30);
> >>>> + strlcpy(bit_name,
> >>>> + p_aeu->bit_name,
> >>>> + sizeof(bit_name));
> >>>>
> >>>> /* We now need to pass bitmask in its
> >>>> * correct position.
> >>>
> >>> I'd say it should be better to change OSAL_STRNCPY to OSAL_STRLCPY
> >>> and modify the macro to use strlcpy, so we avoid further uses of that
> strlcpy.
> >>>
> >>> However, this modifies base driver code, so it is up to the
> >>> maintainers to make
> >> that decision.
> >>> (CC'ing maintainers here).
> >>
> >> There's no value for any OSAL_* that simply defines itself to be the
> >> same as the direct api, as does OSAL_STRNCPY.
> >>
> >> It's better to just remove any OSAL_* that calls straight through
> >> since all it does is obfuscate what the code does, for no benefit.
> >
> > I agree. Since this is modifying base driver code, the maintainers can
> > decide what to do with this.
> >
> >>
> >>> Also, missing fixes line and CC stable.
> >>>
> >>> Fixes: 8427c6647964 ("net/qede/base: add attention formatting
> >>> string")
> >>
> >> The idea of this "Fixes" thing is to look up in git blame what is being edited is
> it?
> >> If so what's the benefit of that over using git if you ever want to know that?
> >>
> >
> > This is important mainly to see which releases needed this patch backported.
> > I am replying to your patches with this info, to save you some time (I
> > know you are feeling the pain of this overhead :P).
>
> Yeah: I appreciate the help. Some of the current rules make assumptions about
> burning time for no real benefit that assume the contributor has no choice but
> to comply. But that is simply not true for all potential contributors.
>
> I will integrate the comments tomorrow morning (ie, +12h) and push again. I
> will look closer at the missing include thing, but since build stops, telling me it
> can't find the include file, and the patch fixes it, there are a limited amount of
> possible root causes.
Thanks for your time, Andy.
Pablo
next prev parent reply other threads:[~2018-05-11 15:14 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-11 1:45 [dpdk-dev] [PATCH v4 00/18] Fix default build on gcc8.0.1 Andy Green
2018-05-11 1:45 ` [dpdk-dev] [PATCH v4 01/18] devtools/check-git: provide more generic grep pattern Andy Green
2018-05-11 8:11 ` De Lara Guarch, Pablo
2018-05-11 1:45 ` [dpdk-dev] [PATCH v4 02/18] net/nfp: solve buffer overflow Andy Green
2018-05-11 8:58 ` De Lara Guarch, Pablo
2018-05-11 10:13 ` De Lara Guarch, Pablo
2018-05-11 1:45 ` [dpdk-dev] [PATCH v4 03/18] bus/pci: replace strncpy dangerous code Andy Green
2018-05-11 8:17 ` De Lara Guarch, Pablo
2018-05-11 1:45 ` [dpdk-dev] [PATCH v4 04/18] bus/dpaa: solve inconsistent struct alignment Andy Green
2018-05-11 8:26 ` De Lara Guarch, Pablo
2018-05-11 1:45 ` [dpdk-dev] [PATCH v4 05/18] net/axgbe: solve broken eeprom string comp Andy Green
2018-05-11 10:09 ` De Lara Guarch, Pablo
2018-05-11 1:45 ` [dpdk-dev] [PATCH v4 06/18] net/nfp/nfpcore: solve strncpy misuse Andy Green
2018-05-11 10:26 ` De Lara Guarch, Pablo
2018-05-11 1:45 ` [dpdk-dev] [PATCH v4 07/18] net/nfp/nfpcore: off-by-one and no NUL on strncpy use Andy Green
2018-05-11 10:33 ` De Lara Guarch, Pablo
2018-05-12 1:17 ` Andy Green
2018-05-11 1:45 ` [dpdk-dev] [PATCH v4 08/18] net/nfp: don't memcpy out of source range Andy Green
2018-05-11 10:36 ` De Lara Guarch, Pablo
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 09/18] net/qede: strncpy length constant and NUL Andy Green
2018-05-11 10:43 ` De Lara Guarch, Pablo
2018-05-11 10:48 ` Andy Green
2018-05-11 12:48 ` De Lara Guarch, Pablo
2018-05-11 13:38 ` Andy Green
2018-05-11 15:14 ` De Lara Guarch, Pablo [this message]
2018-05-11 17:13 ` Shaikh, Shahed
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 10/18] net/qede: solve broken strncpy Andy Green
2018-05-11 10:47 ` De Lara Guarch, Pablo
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 11/18] net/sfc: correct strncpy length Andy Green
2018-05-11 8:11 ` Andrew Rybchenko
2018-05-11 10:51 ` De Lara Guarch, Pablo
2018-05-12 1:21 ` Andy Green
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 12/18] net/sfc: solve strncpy size and NUL Andy Green
2018-05-11 8:13 ` Andrew Rybchenko
2018-05-11 10:55 ` De Lara Guarch, Pablo
2018-05-12 1:24 ` Andy Green
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 13/18] net/vdev_netvsc: readlink inputs cannot be aliased Andy Green
2018-05-11 15:39 ` De Lara Guarch, Pablo
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 14/18] net/vdev_netvsc: 3 x strncpy misuse Andy Green
2018-05-11 10:58 ` De Lara Guarch, Pablo
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 15/18] app: can't find include Andy Green
2018-05-11 11:04 ` De Lara Guarch, Pablo
2018-05-11 11:12 ` Andy Green
2018-05-11 13:20 ` De Lara Guarch, Pablo
2018-05-12 0:52 ` Andy Green
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 16/18] app/proc-info: sprintf overrun bug Andy Green
2018-05-11 12:26 ` De Lara Guarch, Pablo
2018-05-12 1:33 ` Andy Green
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 17/18] app/test-bbdev: strcpy ok for allocated string Andy Green
2018-05-11 12:55 ` De Lara Guarch, Pablo
2018-05-11 1:46 ` [dpdk-dev] [PATCH v4 18/18] " Andy Green
2018-05-11 13:02 ` De Lara Guarch, Pablo
2018-05-12 1:39 ` Andy Green
2018-05-11 11:14 ` [dpdk-dev] [PATCH v4 00/18] Fix default build on gcc8.0.1 Neil Horman
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