linux-kernel - [PATCH 4/7] net: Replace get_task

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Message-Id: <20241213054610.55843-5-laoar.shao@gmail.com>
Date: Fri, 13 Dec 2024 13:46:07 +0800
From: Yafang Shao <laoar.shao@...il.com>
To: torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	x86@...nel.org,
	linux-snps-arc@...ts.infradead.org,
	linux-wireless@...r.kernel.org,
	intel-gfx@...ts.freedesktop.org,
	intel-xe@...ts.freedesktop.org,
	nouveau@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	ocfs2-devel@...ts.linux.dev,
	Yafang Shao <laoar.shao@...il.com>,
	Johannes Berg <johannes@...solutions.net>
Subject: [PATCH 4/7] net: Replace get_task_comm() with %pTN

Since task->comm is guaranteed to be NUL-terminated, we can print it
directly without the need to copy it into a separate buffer. This
simplifies the code and avoids unnecessary operations.

Signed-off-by: Yafang Shao <laoar.shao@...il.com>
Cc: Johannes Berg <johannes@...solutions.net>
---
 net/wireless/wext-core.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 3bb04b05c5ce..1f2a7ab546ba 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -640,10 +640,8 @@ EXPORT_SYMBOL(wireless_send_event);
 #ifdef CONFIG_CFG80211_WEXT
 static void wireless_warn_cfg80211_wext(void)
 {
-	char name[sizeof(current->comm)];
-
-	pr_warn_once("warning: `%s' uses wireless extensions which will stop working for Wi-Fi 7 hardware; use nl80211\n",
-		     get_task_comm(name, current));
+	pr_warn_once("warning: `%pTN' uses wireless extensions which will stop working for Wi-Fi 7 hardware; use nl80211\n",
+		     current);
 }
 #endif
 
-- 
2.43.5