426817d9bc0519458ae47c0eb75efd3d7788f5ec
[oweals/openwrt.git] /
1 From 444b043248d5dc8949cc3ccea92ce1a1ae281401 Mon Sep 17 00:00:00 2001
2 From: Takashi Iwai <tiwai@suse.de>
3 Date: Tue, 4 Sep 2018 17:58:43 +0200
4 Subject: [PATCH 448/773] staging: bcm2835-audio: Propagate parameter setup
5  error
6
7 commit fee5638fe552ff8222c3a5bdcc4a34255e248d8c upstream.
8
9 When the parameter setup fails, the driver should propagate the error
10 code instead of silently ignoring it.
11
12 Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
14 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
15 ---
16  drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c | 5 +++--
17  1 file changed, 3 insertions(+), 2 deletions(-)
18
19 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
20 +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
21 @@ -238,7 +238,7 @@ static int snd_bcm2835_pcm_prepare(struc
22                                        runtime->rate,
23                                        snd_pcm_format_width(runtime->format));
24         if (err < 0)
25 -               audio_error(" error setting hw params\n");
26 +               goto out;
27  
28         memset(&alsa_stream->pcm_indirect, 0, sizeof(alsa_stream->pcm_indirect));
29  
30 @@ -255,8 +255,9 @@ static int snd_bcm2835_pcm_prepare(struc
31                 alsa_stream->buffer_size, alsa_stream->period_size,
32                 alsa_stream->pos, runtime->frame_bits);
33  
34 + out:
35         mutex_unlock(&chip->audio_mutex);
36 -       return 0;
37 +       return err;
38  }
39  
40  static void snd_bcm2835_pcm_transfer(struct snd_pcm_substream *substream,