ALSA: snd-usb: use list_for_each_safe for endpoint resources

commit 03d2f44e967b3c2cf79a6dfb904c8880616c7f83 upstream.

snd_usb_endpoint_free() frees the structure that contains its argument.

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

diff --git a/sound/usb/card.c b/sound/usb/card.c
index d5b5c3388e28ced3cb7c287399755b56d90e1aed..4a469f0cb6d4750b03fab852d13515022fe0b4af 100644 (file)
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -553,7 +553,7 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
                                     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(struct usb_device *dev,
                        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 */