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    Subject[PATCH AUTOSEL 4.19 07/31] spi: omap-100k: Fix the length judgment problem
    Date
    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 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;

    --
    2.30.2
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