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mmc: mvsdio: Fix dma_unmap_sg() nents value

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commit 8ab2f1c35669bff7d7ed1bb16bf5cc989b3e2e17 upstream.

The dma_unmap_sg() functions should be called with the same nents as the
dma_map_sg(), not the value the map function returned.

Fixes: 236caa7cc3 ("mmc: SDIO driver for Marvell SoCs")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Fourier 2025-08-26 09:58:08 +02:00 • committed by Greg Kroah-Hartman
commit e7b3519f02
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/mvsdio.c
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@ -292,7 +292,7 @@ static u32 mvsd_finish_data(struct mvsd_host *host, struct mmc_data *data,
host->pio_ptr = NULL;
host->pio_size = 0;
} else {
dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->sg_frags,
dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
mmc_get_dma_dir(data));
}