[PATCH 6.1 232/417] ALSA: scarlett2: Add missing error check to scarlett2_config_save()

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6.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Geoffrey D. Bennett <g@xxxxx>

[ Upstream commit 5f6ff6931a1c0065a55448108940371e1ac8075f ]

scarlett2_config_save() was ignoring the return value from
scarlett2_usb(). As this function is not called from user-space we
can't return the error, so call usb_audio_err() instead.

Signed-off-by: Geoffrey D. Bennett <g@xxxxx>
Fixes: 9e4d5c1be21f ("ALSA: usb-audio: Scarlett Gen 2 mixer interface")
Link: https://lore.kernel.org/r/bf0a15332d852d7825fa6da87d2a0d9c0b702053.1703001053.git.g@xxxxx
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 sound/usb/mixer_scarlett_gen2.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 9d11bb08667e..3da0d3167ebf 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -1337,9 +1337,11 @@ static void scarlett2_config_save(struct usb_mixer_interface *mixer)
 {
 	__le32 req = cpu_to_le32(SCARLETT2_USB_CONFIG_SAVE);
 
-	scarlett2_usb(mixer, SCARLETT2_USB_DATA_CMD,
-		      &req, sizeof(u32),
-		      NULL, 0);
+	int err = scarlett2_usb(mixer, SCARLETT2_USB_DATA_CMD,
+				&req, sizeof(u32),
+				NULL, 0);
+	if (err < 0)
+		usb_audio_err(mixer->chip, "config save failed: %d\n", err);
 }
 
 /* Delayed work to save config */
-- 
2.43.0







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