linux-kernel - [PATCH] crypto: octeontx2 - Use sysfs

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Message-ID: <20251215122608.385276-3-thorsten.blum@linux.dev>
Date: Mon, 15 Dec 2025 13:26:05 +0100
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: Srujana Challa <schalla@...vell.com>,
	Bharat Bhushan <bbhushan2@...vell.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>
Cc: Thorsten Blum <thorsten.blum@...ux.dev>,
	linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] crypto: octeontx2 - Use sysfs_emit in sysfs show functions

Replace sprintf() with sysfs_emit() in sso_pf_func_ovrd_show() and
kvf_limits_show(). sysfs_emit() is preferred for formatting sysfs output
as it performs proper bounds checking.  No functional changes.

Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
---
 drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c
index 1c5c262af48d..f54f90588d86 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c
@@ -2,6 +2,7 @@
 /* Copyright (C) 2020 Marvell. */
 
 #include <linux/firmware.h>
+#include <linux/sysfs.h>
 #include "otx2_cpt_hw_types.h"
 #include "otx2_cpt_common.h"
 #include "otx2_cpt_devlink.h"
@@ -507,7 +508,7 @@ static ssize_t sso_pf_func_ovrd_show(struct device *dev,
 {
 	struct otx2_cptpf_dev *cptpf = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%d\n", cptpf->sso_pf_func_ovrd);
+	return sysfs_emit(buf, "%d\n", cptpf->sso_pf_func_ovrd);
 }
 
 static ssize_t sso_pf_func_ovrd_store(struct device *dev,
@@ -533,7 +534,7 @@ static ssize_t kvf_limits_show(struct device *dev,
 {
 	struct otx2_cptpf_dev *cptpf = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%d\n", cptpf->kvf_limits);
+	return sysfs_emit(buf, "%d\n", cptpf->kvf_limits);
 }
 
 static ssize_t kvf_limits_store(struct device *dev,
-- 
Thorsten Blum <thorsten.blum@...ux.dev>
GPG: 1D60 735E 8AEF 3BE4 73B6  9D84 7336 78FD 8DFE EAD4