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ALSA: line6: Replace sprintf() with sysfs_emit()

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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().

Link: https://lore.kernel.org/r/20220801165639.26030-8-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2022-08-01 18:56:39 +02:00
parent 17daae7ac4
commit 6c955a9d9d
2 changed files with 6 additions and 6 deletions
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8
sound/usb/line6/pod.c
View file

@ -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);
}
/*

4
sound/usb/line6/podhd.c
View file

@ -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);