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| author | Tian Tao <tiantao6@hisilicon.com> | 2021-04-29 14:20:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-20 17:22:31 +0300 |
| commit | 59a05d64398f51c4e9d3ddf34d0cf71a1a98e125 (patch) | |
| tree | 6978a7eeb84f9d363e6adeb616866fc6f85f86ba | |
| parent | 0a82857600820c4907cccffff648d71ad50dd48e (diff) | |
| download | linux-59a05d64398f51c4e9d3ddf34d0cf71a1a98e125.tar.xz | |
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>
| -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 1eccdc4a4581..2eeb0fe2eed2 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; |