From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 16EDA21ABD0; Tue, 12 Aug 2025 19:19:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755026351; cv=none; b=TNrKpHetGAXOtDfPQec3xwsxob/mSEkEJmKOOyS6PyhNa3H1+efYEAz1EcWzP9b8qhm83f7nt7CiRvFgltooP/mwfqx81hi7FWfrTV1pGWtRqSZeuQCskDUaqpXP3ZguhGeJCsBdFBVnTG8Gl3vPDvGR+rk30iwVvxPVyIrFIMs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755026351; c=relaxed/simple; bh=AxYfYi+L1+emPXuDsc2W7HSawHT6imKEfI5H4L2ZAdo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VUVJ+NuK3d3m11SCPac47LcQDXYipmaG+JpZxczkYZ3NH7wLl/Q4VAXK9GQGfF6I1u4NbksDRuzQJsWVgfo4J3ZZ/4DFK2YOwxaNFGIkHhesr3cA6uLO2vJ/yKEk5yKWEYd1argxx++asJlWxiBXGq2FXE5TrvFacnbm1SioM/g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Rnc/QreS; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Rnc/QreS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B81DC4CEF0; Tue, 12 Aug 2025 19:19:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755026351; bh=AxYfYi+L1+emPXuDsc2W7HSawHT6imKEfI5H4L2ZAdo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Rnc/QreS/C5GEg3yMDUehlBSoDjeSpEQvPYwsdxKYnhHyCzgaBI8KC5WOwVAtIZE0 h4cQS53UwLwIR4jrze9d8XQGwWphjaTN4rzJbelXiVSxaYi7NUtqjGk37OROWV3mA3 M32dUBqur2B9otv3mXYQ0DBK1/sS76upSQPBZqfM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Thomas Fourier , Herbert Xu , Sasha Levin Subject: [PATCH 6.15 294/480] crypto: img-hash - Fix dma_unmap_sg() nents value Date: Tue, 12 Aug 2025 19:48:22 +0200 Message-ID: <20250812174409.557573928@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812174357.281828096@linuxfoundation.org> References: <20250812174357.281828096@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Fourier [ 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 Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- 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 1dc2378aa88b..503bc1c9e3f3 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; } -- 2.39.5