linux-kernel - Re: [PATCH] alloc_tag: Use %pe format specifier

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Message-ID: <20251105044715.71861-1-sj@kernel.org>
Date: Tue,  4 Nov 2025 20:47:14 -0800
From: SeongJae Park <sj@...nel.org>
To: zeng_chi911@....com
Cc: SeongJae Park <sj@...nel.org>,
	akpm@...ux-foundation.org,
	surenb@...gle.com,
	kent.overstreet@...ux.dev,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	zengchi@...inos.cn
Subject: Re: [PATCH] alloc_tag: Use %pe format specifier

On Wed,  5 Nov 2025 10:39:25 +0800 zeng_chi911@....com wrote:

> From: Zeng Chi <zengchi@...inos.cn>
> 
> The %pe format specifier is designed to print error pointers. It prints
> a symbolic error name (eg. -EINVAL) and it makes the code simpler by
> omitting PTR_ERR();
> 
> This patch fixes this cocci report:
> lib/alloc_tag.c:776:63-70: WARNING: Consider using %pe to print PTR_ERR()
> 
> Signed-off-by: Zeng Chi <zengchi@...inos.cn>

Acked-by: SeongJae Park <sj@...nel.org>


Thanks,
SJ

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