Commit ef21e175 authored by Jaejoong Kim's avatar Jaejoong Kim Committed by Takashi Iwai
Browse files

ALSA: Use scnprintf() instead of snprintf() for show 



The show() method should use scnprintf() not snprintf() because snprintf()
may returns a value that exceeds its second argument.

Signed-off-by: default avatarJaejoong Kim <climbbb.kim@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 248a380a

sound/core/init.c

+2 −2
Original line number Diff line number Diff line
@@ -670,7 +670,7 @@ card_id_show_attr(struct device *dev, 
		  struct device_attribute *attr, char *buf)

{

	struct snd_card *card = container_of(dev, struct snd_card, card_dev);

	return snprintf(buf, PAGE_SIZE, "%s\n", card->id);

	return scnprintf(buf, PAGE_SIZE, "%s\n", card->id);

}



static ssize_t
@@ -710,7 +710,7 @@ card_number_show_attr(struct device *dev, 
		     struct device_attribute *attr, char *buf)

{

	struct snd_card *card = container_of(dev, struct snd_card, card_dev);

	return snprintf(buf, PAGE_SIZE, "%i\n", card->number);

	return scnprintf(buf, PAGE_SIZE, "%i\n", card->number);

}



static DEVICE_ATTR(number, S_IRUGO, card_number_show_attr, NULL);