From: Oleg Nesterov <oleg@redhat.com>
To: David Laight <David.Laight@ACULAB.COM>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Petr Skocik <pskocik@gmail.com>,
Kees Cook <keescook@chromium.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Marco Elver <elver@google.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] signal: Fix the error return of kill -1
Date: Tue, 15 Aug 2023 17:11:50 +0200 [thread overview]
Message-ID: <20230815151149.GA29072@redhat.com> (raw)
In-Reply-To: <3b14ae8091e3403bbc4ef1bee6dcf4f6@AcuMS.aculab.com>
On 08/15, David Laight wrote:
>
> or maybe even:
> } else {
> struct task_struct * p;
> int err;
> ret = -ESRCH;
>
> for_each_process(p) {
> if (task_pid_vnr(p) > 1 &&
> !same_thread_group(p, current)) {
> err = group_send_sig_info(sig, info, p,
> PIDTYPE_MAX);
> if (ret)
> ret = err;
Hmm, indeed ;)
and "err" can be declared inside the loop.
Oleg.
next prev parent reply other threads:[~2023-08-15 15:14 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-22 16:12 [PATCH 0/1] *** Fix kill(-1,s) returning 0 on 0 kills *** Petr Skocik
2022-11-22 16:12 ` [PATCH 1/1] Fix kill(-1,s) returning 0 on 0 kills Petr Skocik
2022-11-23 10:30 ` Oleg Nesterov
2022-11-23 11:20 ` Oleg Nesterov
2022-11-23 11:27 ` Petr Skocik
2022-11-23 11:56 ` Oleg Nesterov
2022-11-22 17:15 ` [PATCH 0/1] *** Fix kill(-1,s) returning 0 on 0 kills *** Kees Cook
2022-11-22 23:01 ` Petr Skocik
2023-08-09 12:27 ` Petr Skocik
2023-08-10 16:16 ` Eric W. Biederman
2023-08-10 21:30 ` Petr Skocik
2023-08-11 21:25 ` Eric W. Biederman
2023-08-11 22:16 ` [PATCH] signal: Fix the error return of kill -1 Eric W. Biederman
2023-08-14 14:06 ` Oleg Nesterov
2023-08-14 15:43 ` Oleg Nesterov
2023-08-15 14:47 ` David Laight
2023-08-15 15:11 ` Oleg Nesterov [this message]
2023-08-16 20:32 ` Eric W. Biederman
2023-08-16 21:06 ` Oleg Nesterov
2023-08-17 2:33 ` Eric W. Biederman
2023-08-17 4:37 ` Eric W. Biederman
2023-08-17 15:47 ` [PATCH] __kill_pgrp_info: simplify the calculation of return value Oleg Nesterov
2023-08-11 23:37 ` [PATCH 0/1] *** Fix kill(-1,s) returning 0 on 0 kills *** Petr Skocik
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