netdev - [PATCH] wireless: ath5k: replace snprintf in show functions with sysfs

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Date:   Tue, 12 Oct 2021 20:27:31 -0700
From:   Qing Wang <wangqing@...o.com>
To:     Jiri Slaby <jirislaby@...nel.org>,
        Nick Kossifidis <mickflemm@...il.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Qing Wang <wangqing@...o.com>
Subject: [PATCH] wireless: ath5k: replace snprintf in show functions with sysfs_emit

coccicheck complains about the use of snprintf() in sysfs show functions.

Fix the coccicheck warning:
WARNING: use scnprintf or sprintf.

Use sysfs_emit instead of scnprintf or sprintf makes more sense.

Signed-off-by: Qing Wang <wangqing@...o.com>
---
 drivers/net/wireless/ath/ath5k/sysfs.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/sysfs.c b/drivers/net/wireless/ath/ath5k/sysfs.c
index 8113bad..37bf641 100644
--- a/drivers/net/wireless/ath/ath5k/sysfs.c
+++ b/drivers/net/wireless/ath/ath5k/sysfs.c
@@ -14,7 +14,7 @@ static ssize_t ath5k_attr_show_##name(struct device *dev,		\
 {									\
 	struct ieee80211_hw *hw = dev_get_drvdata(dev);			\
 	struct ath5k_hw *ah = hw->priv;				\
-	return snprintf(buf, PAGE_SIZE, "%d\n", get);			\
+	return sysfs_emit(buf, "%d\n", get);			\
 }									\
 									\
 static ssize_t ath5k_attr_store_##name(struct device *dev,		\
@@ -41,7 +41,7 @@ static ssize_t ath5k_attr_show_##name(struct device *dev,		\
 {									\
 	struct ieee80211_hw *hw = dev_get_drvdata(dev);			\
 	struct ath5k_hw *ah = hw->priv;				\
-	return snprintf(buf, PAGE_SIZE, "%d\n", get);			\
+	return sysfs_emit(buf, "%d\n", get);			\
 }									\
 static DEVICE_ATTR(name, 0444, ath5k_attr_show_##name, NULL)
 
@@ -64,7 +64,7 @@ static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev,
 			struct device_attribute *attr,
 			char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
+	return sysfs_emit(buf, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
 }
 static DEVICE_ATTR(noise_immunity_level_max, 0444,
 		   ath5k_attr_show_noise_immunity_level_max, NULL);
@@ -73,7 +73,7 @@ static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev,
 			struct device_attribute *attr,
 			char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
+	return sysfs_emit(buf, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
 }
 static DEVICE_ATTR(firstep_level_max, 0444,
 		   ath5k_attr_show_firstep_level_max, NULL);
-- 
2.7.4