[PATCH] spi: spi-mux: Fix coverity issue, unchecked return value

[Sergio Perez Gonzalez]

The return value of spi_setup() is not captured within
spi_mux_select() and it is assumed to be always success.

CID: 1638374

Signed-off-by: Sergio Perez Gonzalez <sperezglz@xxxxxxxxx>
---
 drivers/spi/spi-mux.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index c02c4204442f..0f45a88bfbe7 100644
--- a/drivers/spi/spi-mux.c
+++ b/drivers/spi/spi-mux.c
@@ -68,9 +68,9 @@ static int spi_mux_select(struct spi_device *spi)
 
 	priv->current_cs = spi_get_chipselect(spi, 0);
 
-	spi_setup(priv->spi);
+	ret = spi_setup(priv->spi);
 
-	return 0;
+	return ret;
 }
 
 static int spi_mux_setup(struct spi_device *spi)
-- 
2.43.0