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 5372D258CD7 for ; Sat, 18 Oct 2025 19:42:40 +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=1760816560; cv=none; b=bA0DDhhbjvA0b+2zrIEJjZyNBC78gAWXzsEo1rxHihz+CIK2R1BKIrG+Y8T3INR0vpOjNakbPiVpBMpY05dhQZRXZbeB88Yad6dEoQGVI1J9iqO38kXX6vS2IIlyVn4QMIPjcuTyDrs7cItJs7q74XJnOWcuSeDd7pT2lZrtIYM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760816560; c=relaxed/simple; bh=5iiTdNEgDqSUu/AqeVL2miXbD8ZzmQIKBpVn7ZM4Cxo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oDR92pdz4AA8iMwPgNvGE8tPzK/fYwbWvjInwdHAYngKNNOcpFxnigsregd1QUIKBeMfUPaPQJjBPq29GcsR88m8BagFJVf6LK6PhMHfSe/znVEjfSz+h2t4J/LaYb/AdXukgoXpEWX9uSEp1HV/vHATKUMjvkw7KevEghBDTWk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YIin2Oko; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YIin2Oko" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AF08C4CEF8; Sat, 18 Oct 2025 19:42:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760816559; bh=5iiTdNEgDqSUu/AqeVL2miXbD8ZzmQIKBpVn7ZM4Cxo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YIin2OkoXfBQccUHtTquBmEgkSXnhV9cQ7PxGhr+zMHlHHdMQFGGNbarsKKZuDmb1 qqqYPwxxDmH1nhVcrVASa4rbZJhE7l29MlBYCRFVBedzzkM0oDFgE2kEbnfS529XyX DrSXGprG3Ux4N1UWHF1IZ/shGgcqZRIanJUEPbJEO2VTfHDSUTQ75MCQlGNxdjDgq7 vhs0f6pKBr3HLk4TZAAtMSFJcaEJuuErVBJc7pKLTtSgi64x5baBG3Lb6KwA1MVYQe qcLxUsrIxrYNaNwUVmgfxqEmZP1EHfmgajedvRZegUlH+NQ9XCrunWeI///fBt06Oc YDVuphgp0JBMQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Thomas Fourier , Herbert Xu , Sasha Levin Subject: [PATCH 5.15.y] crypto: rockchip - Fix dma_unmap_sg() nents value Date: Sat, 18 Oct 2025 15:42:37 -0400 Message-ID: <20251018194237.892519-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2025101646-entitle-romp-923e@gregkh> References: <2025101646-entitle-romp-923e@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Thomas Fourier [ Upstream commit 21140e5caf019e4a24e1ceabcaaa16bd693b393f ] 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: 57d67c6e8219 ("crypto: rockchip - rework by using crypto_engine") Cc: Signed-off-by: Thomas Fourier Signed-off-by: Herbert Xu [ removed unused rctx variable declaration since device pointer already came from tctx->dev->dev instead of rctx->dev ] Signed-off-by: Sasha Levin --- drivers/crypto/rockchip/rk3288_crypto_ahash.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c index edd40e16a3f0a..087b7c41c58da 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c @@ -236,10 +236,9 @@ static int rk_hash_unprepare(struct crypto_engine *engine, void *breq) { struct ahash_request *areq = container_of(breq, struct ahash_request, base); struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq); - struct rk_ahash_rctx *rctx = ahash_request_ctx(areq); struct rk_ahash_ctx *tctx = crypto_ahash_ctx(tfm); - dma_unmap_sg(tctx->dev->dev, areq->src, rctx->nrsg, DMA_TO_DEVICE); + dma_unmap_sg(tctx->dev->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE); return 0; } -- 2.51.0