[PATCH v2 09/11] sound: hiface: move to use usb_control_msg_send()

Greg Kroah-Hartman
2020-09-07T15:32:58Z

The usb_control_msg_send() call can return an error if a "short" write
happens, so move the driver over to using that call instead.

Cc: Jaroslav Kysela <perex@perex.cz>
Cc: alsa-devel@alsa-project.org
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
v2:
- Added reviewed-by from Takashi

sound/usb/hiface/pcm.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/sound/usb/hiface/pcm.c b/sound/usb/hiface/pcm.c
index a148caa5f48e..f9c924e3964e 100644
--- a/sound/usb/hiface/pcm.c
+++ b/sound/usb/hiface/pcm.c
@@ -156,16 +156,14 @@ static int hiface_pcm_set_rate(struct pcm_runtime *rt, unsigned int rate)
* This control message doesn't have any ack from the
* other side
*/
- ret = usb_control_msg(device, usb_sndctrlpipe(device, 0),
- HIFACE_SET_RATE_REQUEST,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
- rate_value, 0, NULL, 0, 100);
- if (ret < 0) {
+ ret = usb_control_msg_send(device, 0,
+ HIFACE_SET_RATE_REQUEST,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+ rate_value, 0, NULL, 0, 100);
+ if (ret)
dev_err(&device->dev, "Error setting samplerate %d.\n", rate);
- return ret;
- }

- return 0;
+ return ret;
}

static struct pcm_substream *hiface_pcm_get_substream(struct snd_pcm_substream
--
2.28.0