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ALSA: Limit the fallback card id string size

When no proper id string is given, the driver tries to fall back to
copy the proc_root name string via strcpy(), but this might overflow
the fixed string size.  Let's use strlcpy().

Spotted by coverity CID 139008.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
isee-imx_3.14.28.y
Takashi Iwai 7 years ago
parent
commit
97f44f56ca
1 changed files with 1 additions and 1 deletions
  1. +1
    -1
      sound/core/init.c

+ 1
- 1
sound/core/init.c View File

@ -597,7 +597,7 @@ static void snd_card_set_id_no_lock(struct snd_card *card, const char *src,
/* last resort... */
snd_printk(KERN_ERR "unable to set card id (%s)\n", id);
if (card->proc_root->name)
strcpy(card->id, card->proc_root->name);
strlcpy(card->id, card->proc_root->name, sizeof(card->id));
}
/**


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