5.4-stable review patch. If anyone has any objections, please let me know.
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From: Thomas Fourier fourier.thomas@gmail.com
[ 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: d358f1abbf71 ("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 --- drivers/crypto/img-hash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c index 17cc44f14e5c..b5fd15e0c050 100644 --- a/drivers/crypto/img-hash.c +++ b/drivers/crypto/img-hash.c @@ -434,7 +434,7 @@ 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; }