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 52994254B1F; Mon, 23 Jun 2025 13:22:35 +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=1750684955; cv=none; b=EJ92e6CmV/8trtSxDbQQahhlc4Ijc5ZK1BW+e5qFAF2GSLmkS8T2+84tq2d6LuM2Vj9MqO7FaSz77hyyzhQ9ysVOfKHnFwkXQHvjBs2qWvKqGNYqKt0Ic5EuJhiCkv7XD/Mc5Zndbd6Sz5QZ4Ue7u3OzqQFnXF5Zsb4pDoj4+48= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750684955; c=relaxed/simple; bh=7Je3O1RkMwdrHk2r6nzXA0YvRZWzFardXVjoBE9GpdM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lyIn7dXIlNNRmUswQW8UZFxzyRbNb4jOcgG0Y6+jF8pK7ldCARqKOkbykBLiMlLvoHn1VBwpzkRdNdaU1tpkth9JHNe07cZLhU+zKx1/8eZ6LVPsx3zV+LoFprcvep0Dr2yAqb68YeQbVnm2iFThN6wuQFiMUny/CW9mK92Q7nM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Xe1QF2vp; 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="Xe1QF2vp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB8C7C4CEEA; Mon, 23 Jun 2025 13:22:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750684955; bh=7Je3O1RkMwdrHk2r6nzXA0YvRZWzFardXVjoBE9GpdM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Xe1QF2vptNIyEnLH4Mfbryt22EE41/FO7B7aQZMAavxfIGRgE3eKWoVCeeFXhzgbJ dy9R0qOxYq4D5l+qe/yoxUp/F+7QvaWXwVFAK7KZ2hn9RfkyzSy0vrBHTZkumOrIcB gTe/fsC/SqCDBsRiRvEKjLIxBsQAu2ljRapAebrM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Herbert Xu , Sasha Levin Subject: [PATCH 5.10 015/355] crypto: marvell/cesa - Avoid empty transfer descriptor Date: Mon, 23 Jun 2025 15:03:36 +0200 Message-ID: <20250623130627.235218709@linuxfoundation.org> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250623130626.716971725@linuxfoundation.org> References: <20250623130626.716971725@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 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Herbert Xu [ Upstream commit 1bafd82d9a40cf09c6c40f1c09cc35b7050b1a9f ] The user may set req->src even if req->nbytes == 0. If there is no data to hash from req->src, do not generate an empty TDMA descriptor. Fixes: db509a45339f ("crypto: marvell/cesa - add TDMA support") Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/marvell/cesa/hash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/marvell/cesa/hash.c b/drivers/crypto/marvell/cesa/hash.c index 8441c3198d460..823a8fb114bbb 100644 --- a/drivers/crypto/marvell/cesa/hash.c +++ b/drivers/crypto/marvell/cesa/hash.c @@ -639,7 +639,7 @@ static int mv_cesa_ahash_dma_req_init(struct ahash_request *req) if (ret) goto err_free_tdma; - if (iter.src.sg) { + if (iter.base.len > iter.src.op_offset) { /* * Add all the new data, inserting an operation block and * launch command between each full SRAM block-worth of -- 2.39.5