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From a7ad7ce41815145ccdb69554b2618fc084fc38a1 Mon Sep 17 00:00:00 2001
From: Wang Wensheng <wangwensheng4@huawei.com>
Date: Mon, 7 Mar 2022 07:40:39 +0000
Subject: [PATCH] soundwire: stream: Fix error return code in do_bank_switch()
Git-commit: a7ad7ce41815145ccdb69554b2618fc084fc38a1
Patch-mainline: v5.19-rc1
References: jsc#PED-850

Fix to return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.

Signed-off-by: Wang Wensheng <wangwensheng4@huawei.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220307074039.117488-1-wangwensheng4@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/soundwire/stream.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index f273459b2023..d34150559142 100644
--- a/drivers/soundwire/stream.c
+++ b/drivers/soundwire/stream.c
@@ -822,6 +822,7 @@ static int do_bank_switch(struct sdw_stream_runtime *stream)
 		} else if (multi_link) {
 			dev_err(bus->dev,
 				"Post bank switch ops not implemented\n");
+			ret = -EINVAL;
 			goto error;
 		}
 
-- 
2.35.3