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

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Message-ID: <20260109123640.170491-1-thorsten.blum@linux.dev>
Date: Fri,  9 Jan 2026 13:36:40 +0100
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: 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: omap - Use sysfs_emit in sysfs show functions

Replace sprintf() with sysfs_emit() in sysfs show functions.
sysfs_emit() is preferred to format sysfs output as it provides better
bounds checking.  No functional changes.

Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
---
 drivers/crypto/omap-aes.c  | 3 ++-
 drivers/crypto/omap-sham.c | 5 +++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index 3cc802622dd5..3eadaf7a64fa 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -32,6 +32,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/scatterlist.h>
 #include <linux/string.h>
+#include <linux/sysfs.h>
 #include <linux/workqueue.h>
 
 #include "omap-crypto.h"
@@ -1042,7 +1043,7 @@ static ssize_t queue_len_show(struct device *dev, struct device_attribute *attr,
 {
 	struct omap_aes_dev *dd = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%d\n", dd->engine->queue.max_qlen);
+	return sysfs_emit(buf, "%d\n", dd->engine->queue.max_qlen);
 }
 
 static ssize_t queue_len_store(struct device *dev,
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index ff8aac02994a..1ffc240e016a 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -37,6 +37,7 @@
 #include <linux/scatterlist.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/sysfs.h>
 #include <linux/workqueue.h>
 
 #define MD5_DIGEST_SIZE			16
@@ -1973,7 +1974,7 @@ static ssize_t fallback_show(struct device *dev, struct device_attribute *attr,
 {
 	struct omap_sham_dev *dd = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%d\n", dd->fallback_sz);
+	return sysfs_emit(buf, "%d\n", dd->fallback_sz);
 }
 
 static ssize_t fallback_store(struct device *dev, struct device_attribute *attr,
@@ -2003,7 +2004,7 @@ static ssize_t queue_len_show(struct device *dev, struct device_attribute *attr,
 {
 	struct omap_sham_dev *dd = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%d\n", dd->queue.max_qlen);
+	return sysfs_emit(buf, "%d\n", dd->queue.max_qlen);
 }
 
 static ssize_t queue_len_store(struct device *dev,
-- 
Thorsten Blum <thorsten.blum@...ux.dev>
GPG: 1D60 735E 8AEF 3BE4 73B6  9D84 7336 78FD 8DFE EAD4