From: Tian Tao <tiantao6@hisilicon.com>
Date: Thu, 29 Apr 2021 11:20:48 +0000 (+0800)
Subject: spi: omap-100k: Fix the length judgment problem
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e7a1a3abea373e41ba7dfe0fbc93cb79b6a3a529;p=linux.git

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

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>
---

diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c
index 7062f29022539..f104470605b38 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;