linux-kernel - [PATCH -next] soundwire: stream: Fix error return code in do_bank

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Date:   Mon, 7 Mar 2022 07:40:39 +0000
From:   Wang Wensheng <wangwensheng4@...wei.com>
To:     <vkoul@...nel.org>, <yung-chuan.liao@...ux.intel.com>,
        <pierre-louis.bossart@...ux.intel.com>, <sanyog.r.kale@...el.com>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>
CC:     <xuqiang36@...wei.com>
Subject: [PATCH -next] soundwire: stream: Fix error return code in do_bank_switch()

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

diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index 980f26d49b66..553131597af6 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;
 		}
 
-- 
2.17.1