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@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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,

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,