From: Tom Rix <trix@redhat.com>
To: Richard Cochran <richardcochran@gmail.com>
Cc: natechancellor@gmail.com, ndesaulniers@google.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
clang-built-linux@googlegroups.com
Subject: Re: [PATCH] ptp: ptp_clockmatrix: initialize variables
Date: Mon, 12 Oct 2020 21:07:30 -0700 [thread overview]
Message-ID: <05da63b8-f1f5-9195-d156-0f2e7f3ea116@redhat.com> (raw)
In-Reply-To: <20201012220126.GB1310@hoboy>
On 10/12/20 3:01 PM, Richard Cochran wrote:
> On Sun, Oct 11, 2020 at 01:09:55PM -0700, trix@redhat.com wrote:
>> From: Tom Rix <trix@redhat.com>
>>
>> Clang static analysis reports this representative problem
>>
>> ptp_clockmatrix.c:1852:2: warning: 5th function call argument
>> is an uninitialized value
>> snprintf(idtcm->version, sizeof(idtcm->version), "%u.%u.%u",
>> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> idtcm_display_version_info() calls several idtcm_read_*'s without
>> checking a return status.
> So why not check the return status?
calling function is a print information only function that returns void.
I do think not adding error handling is worth it.
I could change the return and then the calls if if you like.
Tom
>
> Your patch papers over the issue.
>
> Thanks,
> Richard
>
next prev parent reply other threads:[~2020-10-13 4:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-11 20:09 [PATCH] ptp: ptp_clockmatrix: initialize variables trix
2020-10-12 22:01 ` Richard Cochran
2020-10-13 4:07 ` Tom Rix [this message]
2020-10-13 12:40 ` Richard Cochran
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