ALSA: usb-audio: remove redundant pointer 'urb'

Pointer 'urb' is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable 'urb' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index c90607e..d86be8b 100644 (file)
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -325,7 +325,6 @@ static void queue_pending_output_urbs(struct snd_usb_endpoint *ep)
                unsigned long flags;
                struct snd_usb_packet_info *uninitialized_var(packet);
                struct snd_urb_ctx *ctx = NULL;
-               struct urb *urb;
                int err, i;
 
                spin_lock_irqsave(&ep->lock, flags);
@@ -345,7 +344,6 @@ static void queue_pending_output_urbs(struct snd_usb_endpoint *ep)
                        return;
 
                list_del_init(&ctx->ready_list);
-               urb = ctx->urb;
 
                /* copy over the length information */
                for (i = 0; i < packet->packets; i++)