[PATCH 7/7] ALSA: line6: Replace sprintf() with sysfs_emit()

[Takashi Iwai]

For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co.  This patch replaces those usages
straightforwardly with a new helper, sysfs_emit().

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/usb/line6/pod.c   | 8 ++++----
 sound/usb/line6/podhd.c | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/sound/usb/line6/pod.c b/sound/usb/line6/pod.c
index 16e644330c4d..cd41aa7f0385 100644
--- a/sound/usb/line6/pod.c
+++ b/sound/usb/line6/pod.c
@@ -235,7 +235,7 @@ static ssize_t serial_number_show(struct device *dev,
 	struct snd_card *card = dev_to_snd_card(dev);
 	struct usb_line6_pod *pod = card->private_data;
 
-	return sprintf(buf, "%u\n", pod->serial_number);
+	return sysfs_emit(buf, "%u\n", pod->serial_number);
 }
 
 /*
@@ -247,8 +247,8 @@ static ssize_t firmware_version_show(struct device *dev,
 	struct snd_card *card = dev_to_snd_card(dev);
 	struct usb_line6_pod *pod = card->private_data;
 
-	return sprintf(buf, "%d.%02d\n", pod->firmware_version / 100,
-		       pod->firmware_version % 100);
+	return sysfs_emit(buf, "%d.%02d\n", pod->firmware_version / 100,
+			  pod->firmware_version % 100);
 }
 
 /*
@@ -260,7 +260,7 @@ static ssize_t device_id_show(struct device *dev,
 	struct snd_card *card = dev_to_snd_card(dev);
 	struct usb_line6_pod *pod = card->private_data;
 
-	return sprintf(buf, "%d\n", pod->device_id);
+	return sysfs_emit(buf, "%d\n", pod->device_id);
 }
 
 /*
diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c
index b24bc82f89e3..ffd8c157a281 100644
--- a/sound/usb/line6/podhd.c
+++ b/sound/usb/line6/podhd.c
@@ -146,7 +146,7 @@ static ssize_t serial_number_show(struct device *dev,
 	struct snd_card *card = dev_to_snd_card(dev);
 	struct usb_line6_podhd *pod = card->private_data;
 
-	return sprintf(buf, "%u\n", pod->serial_number);
+	return sysfs_emit(buf, "%u\n", pod->serial_number);
 }
 
 static ssize_t firmware_version_show(struct device *dev,
@@ -155,7 +155,7 @@ static ssize_t firmware_version_show(struct device *dev,
 	struct snd_card *card = dev_to_snd_card(dev);
 	struct usb_line6_podhd *pod = card->private_data;
 
-	return sprintf(buf, "%06x\n", pod->firmware_version);
+	return sysfs_emit(buf, "%06x\n", pod->firmware_version);
 }
 
 static DEVICE_ATTR_RO(firmware_version);
-- 
2.35.3