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authorThomas Fourier <fourier.thomas@gmail.com>2025-06-30 11:16:22 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-15 12:13:55 +0200
commitbcd9cdc74974af2630b404741f8e15b092fc048c (patch)
tree6ffc96a831ac8b17ae6791875a28fd96f168e1bb
parent44b07ee87c4fdfd3287481a036a9d3b757d4f2e5 (diff)
crypto: img-hash - Fix dma_unmap_sg() nents value
[ 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>
-rw-r--r--drivers/crypto/img-hash.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c
index 7e93159c3b6b..d5df3d2da50c 100644
--- a/drivers/crypto/img-hash.c
+++ b/drivers/crypto/img-hash.c
@@ -436,7 +436,7 @@ 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;
}