spi: spi-mux: Fix coverity issue, unchecked return value

[ Upstream commit 5a5fc308418aca275a898d638bc38c093d101855 ]

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@gmail.com>
Link: https://patch.msgid.link/20250316054651.13242-1-sperezglz@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index c02c4204442f5eb614a4231fa193e5efb887dd75..0eb35c4e3987ea4fa60047e69cb221cdd4cffe93 100644 (file)
--- a/drivers/spi/spi-mux.c
+++ b/drivers/spi/spi-mux.c
@@ -68,9 +68,7 @@ static int spi_mux_select(struct spi_device *spi)
 
        priv->current_cs = spi_get_chipselect(spi, 0);
 
-       spi_setup(priv->spi);
-
-       return 0;
+       return spi_setup(priv->spi);
 }
 
 static int spi_mux_setup(struct spi_device *spi)