From 229295f1d6713bc8c8ba900ba62bca03e34bba52 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Sun, 12 Jan 2014 12:57:08 -0300 Subject: [PATCH] [media] em28xx-audio: fix return code on device disconnect MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Alsa has an special non-negative return code to indicate device removal at snd_em28xx_capture_pointer(). Use it, instead of an error code. Reviewed-by: Frank Schäfer Tested-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/em28xx/em28xx-audio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c index f3e3200..47766b7 100644 --- a/drivers/media/usb/em28xx/em28xx-audio.c +++ b/drivers/media/usb/em28xx/em28xx-audio.c @@ -434,7 +434,7 @@ static snd_pcm_uframes_t snd_em28xx_capture_pointer(struct snd_pcm_substream dev = snd_pcm_substream_chip(substream); if (dev->disconnected) - return -ENODEV; + return SNDRV_PCM_POS_XRUN; spin_lock_irqsave(&dev->adev.slock, flags); hwptr_done = dev->adev.hwptr_done_capture; -- 2.7.4