linux-kernel - [ 074/108] ALSA: snd-usb: use list_for_each

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Date:	Wed, 12 Sep 2012 16:29:12 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Pavel Roskin <proski@....org>, Takashi Iwai <tiwai@...e.de>
Subject: [ 074/108] ALSA: snd-usb: use list_for_each_safe for endpoint resources

From: Greg KH <gregkh@...uxfoundation.org>

3.5-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Pavel Roskin <proski@....org>

commit 03d2f44e967b3c2cf79a6dfb904c8880616c7f83 upstream.

snd_usb_endpoint_free() frees the structure that contains its argument.

Signed-off-by: Pavel Roskin <proski@....org>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/usb/card.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -553,7 +553,7 @@ static void snd_usb_audio_disconnect(str
 				     struct snd_usb_audio *chip)
 {
 	struct snd_card *card;
-	struct list_head *p;
+	struct list_head *p, *n;
 
 	if (chip == (void *)-1L)
 		return;
@@ -570,7 +570,7 @@ static void snd_usb_audio_disconnect(str
 			snd_usb_stream_disconnect(p);
 		}
 		/* release the endpoint resources */
-		list_for_each(p, &chip->ep_list) {
+		list_for_each_safe(p, n, &chip->ep_list) {
 			snd_usb_endpoint_free(p);
 		}
 		/* release the midi resources */


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