blob: ae06ce9144c23bfd59f6fd6f5b059fd710464afe [file] [log] [blame]
From 7c6bdf2f183807dd06169f190c6e84b1b073b463 Mon Sep 17 00:00:00 2001
From: Sasha Levin <sashal@kernel.org>
Date: Thu, 29 Apr 2021 19:20:48 +0800
Subject: spi: omap-100k: Fix the length judgment problem
From: Tian Tao <tiantao6@hisilicon.com>
[ 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>
---
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 ccd817ee4917..0d0cd061d356 100644
--- a/drivers/spi/spi-omap-100k.c
+++ b/drivers/spi/spi-omap-100k.c
@@ -241,7 +241,7 @@ 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;
--
2.30.2