From: Mauro Carvalho Chehab <m.chehab@samsung.com>
Date: Tue, 14 Jan 2014 17:34:13 +0000 (-0300)
Subject: [media] em28xx-audio: provide an error code when URB submit fails
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bf6e8aaa32081ff3f639334ca6b3ca0eaec5adc0;p=openwrt%2Fstaging%2Fblogic.git

[media] em28xx-audio: provide an error code when URB submit fails

Instead of just saying:
	[ 1646.412419] em2882/3 #0: submit of audio urb failed
Print the reason why it failed, to help debugging and fixing it.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
---

diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c
index 332abf7b32f8..e57616ecd2cb 100644
--- a/drivers/media/usb/em28xx/em28xx-audio.c
+++ b/drivers/media/usb/em28xx/em28xx-audio.c
@@ -163,10 +163,9 @@ static void em28xx_audio_isocirq(struct urb *urb)
 	urb->status = 0;
 
 	status = usb_submit_urb(urb, GFP_ATOMIC);
-	if (status < 0) {
+	if (status < 0)
 		em28xx_errdev("resubmit of audio urb failed (error=%i)\n",
 			      status);
-	}
 	return;
 }
 
@@ -183,7 +182,8 @@ static int em28xx_init_audio_isoc(struct em28xx *dev)
 
 		errCode = usb_submit_urb(dev->adev.urb[i], GFP_ATOMIC);
 		if (errCode) {
-			em28xx_errdev("submit of audio urb failed\n");
+			em28xx_errdev("submit of audio urb failed (error=%i)\n",
+				      errCode);
 			em28xx_deinit_isoc_audio(dev);
 			atomic_set(&dev->stream_started, 0);
 			return errCode;