From: Tian Tao <tiantao6@hisilicon.com> stable inclusion from linux-4.19.198 commit a741b1bd7068ed8a750f9240d4e17c93f1b22a25 -------------------------------- [ 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@hisilic... Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/spi/spi-omap-100k.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c index 1eccdc4a45817..2eeb0fe2eed28 100644 --- 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; -- 2.25.1