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crypto: img-hash - Fix dma_unmap_sg() nents value

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[ Upstream commit 34b283636181ce02c52633551f594fec9876bec7 ]

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: d358f1abbf ("crypto: img-hash - Add Imagination Technologies hw hash accelerator")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Thomas Fourier
2025-06-30 11:16:22 +02:00
committed by Greg Kroah-Hartman
parent 344fd8e2cd
commit 7d7455982c
1 changed files with 1 additions and 1 deletions
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drivers/crypto/img-hash.c
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@@ -435,7 +435,7 @@ static int img_hash_write_via_dma_stop(struct img_hash_dev *hdev)
struct img_hash_request_ctx *ctx = ahash_request_ctx(hdev->req);
if (ctx->flags & DRIVER_FLAGS_SG)
dma_unmap_sg(hdev->dev, ctx->sg, ctx->dma_ct, DMA_TO_DEVICE);
dma_unmap_sg(hdev->dev, ctx->sg, 1, DMA_TO_DEVICE);
return 0;
}