From: David Marchand <david.marchand@redhat.com>
To: Chengwen Feng <fengchengwen@huawei.com>
Cc: Thomas Monjalon <thomas@monjalon.net>, dev <dev@dpdk.org>,
"Burakov, Anatoly" <anatoly.burakov@intel.com>,
Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
Bruce Richardson <bruce.richardson@intel.com>
Subject: Re: [PATCH v3 2/4] eal: fix errno not set if strftime return zero
Date: Tue, 21 Jun 2022 11:05:21 +0200 [thread overview]
Message-ID: <CAJFAV8ypnXV96n+e8660C8QTAPdW4fOYvg7i6ZnLwaN59h1EYg@mail.gmail.com> (raw)
In-Reply-To: <20220617022913.47564-3-fengchengwen@huawei.com>
On Fri, Jun 17, 2022 at 4:35 AM Chengwen Feng <fengchengwen@huawei.com> wrote:
>
> The trace_session_name_generate() takes errno as the return value, but
> the errno was not set if strftime return zero, the previously set errno
> is returned in this case, this will result in inaccurate prompting.
>
> This patch sets errno to ENOSPC if strftime return zero to fix it.
>
> Fixes: 321dd5f8fa62 ("trace: add internal init and fini interface")
> Cc: stable@dpdk.org
>
> Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Good catch.
With the next fix, the error condition (on trace_dir being too short
to accomodate with formatted date) cannot be reached anymore.
I squashed those two patches together.
I also updated the commitlog to give some details why we were getting
a EEXIST (or ENOENT) errno.
--
David Marchand
next prev parent reply other threads:[~2022-06-21 9:05 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-07 12:00 [PATCH] eal: fix segment fault when exit trace Chengwen Feng
2022-06-07 12:26 ` fengchengwen
2022-06-13 14:15 ` David Marchand
2022-06-14 0:33 ` fengchengwen
2022-06-07 13:00 ` David Marchand
2022-06-08 10:31 ` Jerin Jacob
2022-06-14 5:58 ` [PATCH v2 0/3] bugfix for trace Chengwen Feng
2022-06-14 5:58 ` [PATCH v2 1/3] eal: fix segment fault when exit trace Chengwen Feng
2022-06-14 8:25 ` David Marchand
2022-06-14 5:58 ` [PATCH v2 2/3] eal: fix trace init fail with long file-prefix Chengwen Feng
2022-06-15 14:02 ` David Marchand
2022-06-15 18:11 ` Jerin Jacob
2022-06-14 5:59 ` [PATCH v2 3/3] test: support trace-autotest when enable trace Chengwen Feng
2022-06-15 14:00 ` David Marchand
2022-06-17 2:42 ` fengchengwen
2022-06-21 9:06 ` David Marchand
2022-06-17 2:29 ` [PATCH v3 0/4] bugfix for trace Chengwen Feng
2022-06-17 2:29 ` [PATCH v3 1/4] eal: fix segment fault when exit trace Chengwen Feng
2022-06-17 2:29 ` [PATCH v3 2/4] eal: fix errno not set if strftime return zero Chengwen Feng
2022-06-21 9:05 ` David Marchand [this message]
2022-06-17 2:29 ` [PATCH v3 3/4] eal: fix trace init fail with long file-prefix Chengwen Feng
2022-06-17 2:29 ` [PATCH v3 4/4] test: introduce trace-autotest with traces enabled Chengwen Feng
2022-06-21 9:07 ` David Marchand
2022-06-21 9:07 ` [PATCH v3 0/4] bugfix for trace David Marchand
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