[PATCH] crypto: omap - Use sysfs_emit in sysfs show functions

From: Thorsten Blum
Date: Fri Jan 09 2026 - 07:48:54 EST


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@xxxxxxxxx>
---
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@xxxxxxxxx>
GPG: 1D60 735E 8AEF 3BE4 73B6 9D84 7336 78FD 8DFE EAD4