From: Thorsten Blum <thorsten.blum@linux.dev>
Date: Mon, 23 Feb 2026 21:12:11 +0000 (+0100)
Subject: bus: rifsc: Replace snprintf("%s") with strscpy
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6e1842be2e4fd590136da5c100fbad6c3129d96;p=thirdparty%2Fkernel%2Fstable.git

bus: rifsc: Replace snprintf("%s") with strscpy

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

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Acked-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Link: https://lore.kernel.org/r/20260223211212.344855-1-thorsten.blum@linux.dev
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---

diff --git a/drivers/bus/stm32_rifsc.c b/drivers/bus/stm32_rifsc.c
index 65990ae8dd08..ab8d4e3128c3 100644
--- a/drivers/bus/stm32_rifsc.c
+++ b/drivers/bus/stm32_rifsc.c
@@ -16,6 +16,7 @@
 #include <linux/of.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
+#include <linux/string.h>
 #include <linux/types.h>
 
 /*
@@ -449,7 +450,7 @@ static void stm32_rifsc_fill_rimu_dbg_entry(struct rifsc_dbg_private *rifsc,
 	const struct stm32_rifsc_resources_names *dbg_names = rifsc->res_names;
 	u32 rimc_attr = readl_relaxed(rifsc->mmio + RIFSC_RIMC_ATTR0 + 0x4 * i);
 
-	snprintf(dbg_entry->m_name, sizeof(dbg_entry->m_name), "%s", dbg_names->initiator_names[i]);
+	strscpy(dbg_entry->m_name, dbg_names->initiator_names[i]);
 	dbg_entry->m_cid = FIELD_GET(RIFSC_RIMC_MCID_MASK, rimc_attr);
 	dbg_entry->cidsel = rimc_attr & RIFSC_RIMC_CIDSEL;
 	dbg_entry->m_sec = rimc_attr & RIFSC_RIMC_MSEC;
@@ -468,8 +469,7 @@ static void stm32_rifsc_fill_dev_dbg_entry(struct rifsc_dbg_private *rifsc,
 	sec_cfgr = readl_relaxed(rifsc->mmio + RIFSC_RISC_SECCFGR0 + 0x4 * reg_id);
 	priv_cfgr = readl_relaxed(rifsc->mmio + RIFSC_RISC_PRIVCFGR0 + 0x4 * reg_id);
 
-	snprintf(dbg_entry->dev_name, sizeof(dbg_entry->dev_name), "%s",
-		 dbg_names->device_names[i]);
+	strscpy(dbg_entry->dev_name, dbg_names->device_names[i]);
 	dbg_entry->dev_id = i;
 	dbg_entry->dev_cid_filt_en = cid_cfgr & CIDCFGR_CFEN;
 	dbg_entry->dev_sem_en = cid_cfgr & CIDCFGR_SEMEN;