spi: core: propagate return code of __spi_validate_bits_per_word()

Propagate the actual return code of __spi_validate_bits_per_word() in
spi_setup().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 40c9afac047f..64c1aedde481 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1956,7 +1956,7 @@ static int __spi_validate_bits_per_word(struct spi_master *master, u8 bits_per_w
 int spi_setup(struct spi_device *spi)
 {
         unsigned        bad_bits, ugly_bits;
-        int             status = 0;
+        int             status;
 
         /* check mode to prevent that DUAL and QUAD set at the same time
          */
@@ -1993,8 +1993,9 @@ int spi_setup(struct spi_device *spi)
         if (!spi->bits_per_word)
                 spi->bits_per_word = 8;
 
-        if (__spi_validate_bits_per_word(spi->master, spi->bits_per_word))
-                return -EINVAL;
+        status = __spi_validate_bits_per_word(spi->master, spi->bits_per_word);
+        if (status)
+                return status;
 
         if (!spi->max_speed_hz)
                 spi->max_speed_hz = spi->master->max_speed_hz;