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>
diff --git a/sound/core/init.c b/sound/core/init.c
index 01a8938..1351f22 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -597,7 +597,7 @@
/* 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));
}
/**