From: Thomas Fourier Date: Mon, 30 Jun 2025 09:16:22 +0000 (+0200) Subject: crypto: img-hash - Fix dma_unmap_sg() nents value X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=34b283636181ce02c52633551f594fec9876bec7;p=thirdparty%2Flinux.git crypto: img-hash - Fix dma_unmap_sg() nents value 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 Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c index e050f5ff5efb6..c527cd75b6fe9 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; }