spi: omap-100k: Fix the length judgment problem

[ Upstream commit e7a1a3abea373e41ba7dfe0fbc93cb79b6a3a529 ]

word_len should be checked in the omap1_spi100k_setup_transfer
function to see if it exceeds 32.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1619695248-39045-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c
index 1eccdc4a45817a34b84ff6ab2fcef133987db539..2eeb0fe2eed282075f3df35202362d23749f306f 100644 (file)
--- a/drivers/spi/spi-omap-100k.c
+++ b/drivers/spi/spi-omap-100k.c
@@ -251,7 +251,7 @@ static int omap1_spi100k_setup_transfer(struct spi_device *spi,
        else
                word_len = spi->bits_per_word;
 
-       if (spi->bits_per_word > 32)
+       if (word_len > 32)
                return -EINVAL;
        cs->word_len = word_len;