linux-kernel - Re: [rtla 01/13] rtla: Check for memory allocation failures

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Message-ID: <CAAq0SUnYnopSwd2ir_J1roFU31SzK5SQkv1L+WhP=T=Xbq479A@mail.gmail.com>
Date: Fri, 28 Nov 2025 10:52:49 -0300
From: Wander Lairson Costa <wander@...hat.com>
To: Costa Shulyupin <costa.shul@...hat.com>
Cc: Steven Rostedt <rostedt@...dmis.org>, Tomas Glozar <tglozar@...hat.com>, 
	Ivan Pravdin <ipravdin.official@...il.com>, Crystal Wood <crwood@...hat.com>, 
	John Kacur <jkacur@...hat.com>, Tiezhu Yang <yangtiezhu@...ngson.cn>, 
	"open list:Real-time Linux Analysis (RTLA) tools" <linux-trace-kernel@...r.kernel.org>, 
	open list <linux-kernel@...r.kernel.org>, 
	"open list:BPF [MISC]:Keyword:(?:b|_)bpf(?:b|_)" <bpf@...r.kernel.org>
Subject: Re: [rtla 01/13] rtla: Check for memory allocation failures

On Fri, Nov 28, 2025 at 10:30 AM Costa Shulyupin <costa.shul@...hat.com> wrote:
>
> On Mon, 17 Nov 2025 at 20:54, Wander Lairson Costa <wander@...hat.com> wrote:
> > Add checks for the return value of memory allocation functions
> > and return an error in case of failure. Update the callers to
> > handle the error properly.
>
> Would you like to consider using fatal("Out of memory") instead of
> returning an error code?
> Anyway there is no work around for out of memory.
>

Good idea. I am going to update the patches.

> Costa
>