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| author | Tian Tao <tiantao6@hisilicon.com> | 2021-04-29 19:20:48 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-14 16:53:10 +0200 |
| commit | d6518e028103e0b0606d9d6217626c9d7446bcc3 (patch) | |
| tree | 2275dfdad18d9bf37b0cdb52cc1d537edfca53a6 /drivers/spi | |
| parent | afc37630a124f9bd58e936e9b3391c0cba8bd9f3 (diff) | |
| download | linux-d6518e028103e0b0606d9d6217626c9d7446bcc3.tar.gz linux-d6518e028103e0b0606d9d6217626c9d7446bcc3.tar.bz2 linux-d6518e028103e0b0606d9d6217626c9d7446bcc3.zip | |
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>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-omap-100k.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c index b8e201c09484..f64d030c760a 100644 --- a/drivers/spi/spi-omap-100k.c +++ b/drivers/spi/spi-omap-100k.c @@ -242,7 +242,7 @@ 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; |