From: Zihao Tang <tangzihao1@hisilicon.com>
Date: Tue, 16 Mar 2021 12:34:12 +0000 (+0800)
Subject: hwrng: core - convert sysfs sprintf/snprintf family to sysfs_emit
X-Git-Tag: microblaze-v5.14~202^2~111
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=91253022821def2a986f6d14762cbacde625b73c;p=linux-2.6-microblaze.git

hwrng: core - convert sysfs sprintf/snprintf family to sysfs_emit

Fix the following coccicheck warning:

drivers/char/hw_random/core.c:399:8-16: WARNING: use scnprintf or sprintf.

Signed-off-by: Zihao Tang <tangzihao1@hisilicon.com>
Signed-off-by: Jay Fang <f.fangjian@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 8c1c47dd9f46..adb3c2bd7783 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -396,7 +396,7 @@ static ssize_t hwrng_attr_selected_show(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n", cur_rng_set_by_user);
+	return sysfs_emit(buf, "%d\n", cur_rng_set_by_user);
 }
 
 static DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR,