From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 12 Mar 2015 06:38:46 +0000 (+0100)
Subject: Merge branch 'for-linus' into for-next
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e6826ef14597981f78156a0d5f9553b19f356e3f;p=linux-beck.git

Merge branch 'for-linus' into for-next
---

e6826ef14597981f78156a0d5f9553b19f356e3f
diff --cc sound/core/control.c
index 833b223a363a,eeb691d1911f..54a412af3224
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@@ -1205,11 -1166,22 +1205,16 @@@ static int snd_ctl_elem_add(struct snd_
  	unsigned int access;
  	long private_size;
  	struct user_element *ue;
 -	int idx, err;
 +	int err;
  
 -	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|
 -				 SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE));
 -	info->id.numid = 0;
 -	memset(&kctl, 0, sizeof(kctl));
+ 
 +	/* Delete a control to replace them if needed. */
  	if (replace) {
 +		info->id.numid = 0;
  		err = snd_ctl_remove_user_ctl(file, &info->id);
  		if (err)
  			return err;