X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=sound%2Fcore%2Fcontrol.c;h=eeb691d1911f5716bb09b8eecacd24215a31564f;hb=130c93fd10c4d150e39d8879420c1351aa207fa9;hp=35324a8e83c867f126256f67b493b5320b9652c7;hpb=65d2918e716afb89359cfa59734d76c1ff8700cb;p=cascardo%2Flinux.git

diff --git a/sound/core/control.c b/sound/core/control.c
index 35324a8e83c8..eeb691d1911f 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1170,6 +1170,10 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file,
 
 	if (info->count < 1)
 		return -EINVAL;
+	if (!*info->id.name)
+		return -EINVAL;
+	if (strnlen(info->id.name, sizeof(info->id.name)) >= sizeof(info->id.name))
+		return -EINVAL;
 	access = info->access == 0 ? SNDRV_CTL_ELEM_ACCESS_READWRITE :
 		(info->access & (SNDRV_CTL_ELEM_ACCESS_READWRITE|
 				 SNDRV_CTL_ELEM_ACCESS_INACTIVE|