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From: Thorsten Blum <thorsten.blum@linux.dev>
To: Thomas Gleixner <tglx@kernel.org>
Cc: Thorsten Blum <thorsten.blum@linux.dev>, linux-kernel@vger.kernel.org
Subject: [PATCH] genirq/proc: Replace snprintf with strscpy in register_handler_proc
Date: Tue, 27 Jan 2026 23:49:49 +0100	[thread overview]
Message-ID: <20260127224949.441391-2-thorsten.blum@linux.dev> (raw)

Replace snprintf("%s", ...) with the faster and more direct strscpy().

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
 kernel/irq/proc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 77258eafbf63..b0999a4f1f68 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -12,6 +12,7 @@
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
 #include <linux/mutex.h>
+#include <linux/string.h>
 
 #include "internals.h"
 
@@ -317,7 +318,7 @@ void register_handler_proc(unsigned int irq, struct irqaction *action)
 	if (!desc->dir || action->dir || !action->name || !name_unique(irq, action))
 		return;
 
-	snprintf(name, MAX_NAMELEN, "%s", action->name);
+	strscpy(name, action->name);
 
 	/* create /proc/irq/1234/handler/ */
 	action->dir = proc_mkdir(name, desc->dir);
-- 
Thorsten Blum <thorsten.blum@linux.dev>
GPG: 1D60 735E 8AEF 3BE4 73B6  9D84 7336 78FD 8DFE EAD4


             reply	other threads:[~2026-01-27 22:50 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-27 22:49 Thorsten Blum [this message]
2026-01-30  8:08 ` [tip: irq/core] genirq/proc: Replace snprintf with strscpy in register_handler_proc tip-bot2 for Thorsten Blum

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