most: usb: replace snprintf in show functions with sysfs_emit

coccicheck complains about the use of snprintf() in sysfs show
functions:
WARNING use scnprintf or sprintf

Use sysfs_emit instead of scnprintf, snprintf or sprintf makes more
sense.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Jing Yao <yao.jing2@zte.com.cn>
Link: https://lore.kernel.org/r/20211110025341.136194-1-yao.jing2@zte.com.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/most/most_usb.c b/drivers/most/most_usb.c
index acabb7715b42327e5cd7a2aa70e01c161ca173b5..73258b24fea760272d8bd78309df2b5fa17be181 100644 (file)
--- a/drivers/most/most_usb.c
+++ b/drivers/most/most_usb.c
@@ -831,7 +831,7 @@ static ssize_t value_show(struct device *dev, struct device_attribute *attr,
        int err;
 
        if (sysfs_streq(name, "arb_address"))
-               return snprintf(buf, PAGE_SIZE, "%04x\n", dci_obj->reg_addr);
+               return sysfs_emit(buf, "%04x\n", dci_obj->reg_addr);
 
        if (sysfs_streq(name, "arb_value"))
                reg_addr = dci_obj->reg_addr;
@@ -843,7 +843,7 @@ static ssize_t value_show(struct device *dev, struct device_attribute *attr,
        if (err < 0)
                return err;
 
-       return snprintf(buf, PAGE_SIZE, "%04x\n", val);
+       return sysfs_emit(buf, "%04x\n", val);
 }
 
 static ssize_t value_store(struct device *dev, struct device_attribute *attr,