[PATCH -next] soundwire: stream: Fix error return code in do_bank_switch()

[Wang Wensheng <wangwensheng4@xxxxxxxxxx>]

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@xxxxxxxxxx>
---
 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