From nobody Thu Apr 2 17:16:38 2026 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 D033E3644A2; Fri, 27 Mar 2026 16:57:52 +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=1774630672; cv=none; b=cKYwS1/O7jk70N2HeDLJw2wUebWgykuadYPWghJDssyJUINejjhWCLmuycTka7KQt8v8/XCzMO+5uctkwanqdwtQLAqm+ah5kU61PXPHjva9euTK6qN3ivo+XHStRO1dhNZ2B7g0mIeYqxWWduquML5Gvj20t3VhPc+8m2DTD9Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774630672; c=relaxed/simple; bh=09nJSRlAd6N1UqTYdtf9KSCV6nHMp6BK6/gYyYC5J8k=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nDcrff3Xw9SygUEwiygmKgf9NLFHxrWRaRbAEaNIGwF+AML3hq7dXPNgCI4dGW2ePmdkQJoH0pAmfrJ0uCf1cg0+KF6DCwXuKzuopEAX3Bk0KZQVTewho4rKAo2Vl2yH+AenqSmgp+qwrN4JSrslboS+k05LMdF3aVxGS+Ydl5Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Qc8IR/7o; 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="Qc8IR/7o" Received: by smtp.kernel.org (Postfix) with ESMTPS id 90485C2BCB0; Fri, 27 Mar 2026 16:57:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774630672; bh=09nJSRlAd6N1UqTYdtf9KSCV6nHMp6BK6/gYyYC5J8k=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=Qc8IR/7ojbMRvTud0Zmou41XjGx1QBfdiQAZv087Gqq8dAd1XP54cnGJ7xaA0P5uW V1BUYs8sVVlmWvtNK6GDIuNlYI6ov6Ht6bxWjgqF/YYLNOL5KxUM5vWzRCf6aNJgPv adtlka7S2dyAA9hCS9vsX4J79ffzMlgrT7Tn/vBQdpUsWqMUfJy5c+YV9X7TJs0XWh RFCcAPRKr63Hl38YRRjjSjWdDRnmCQyDNkS7M1pxZhfYS1Ecs6LAo2E9jNk64015z0 QH+2dqb+iUjzsXAO5wh7GEUl6iUSBZ9fVYcjN2KtPPQcycwTw69lr/KTY2AW9yQn8r VJ7iVNxiGncEA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 797C810F285A; Fri, 27 Mar 2026 16:57:52 +0000 (UTC) From: =?utf-8?q?Nuno_S=C3=A1_via_B4_Relay?= Date: Fri, 27 Mar 2026 16:58:39 +0000 Subject: [PATCH v2 2/4] dmaengine: dma-axi-dmac: Properly free struct axi_dmac_desc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260327-dma-dmac-handle-vunmap-v2-2-021f95f0e87b@analog.com> References: <20260327-dma-dmac-handle-vunmap-v2-0-021f95f0e87b@analog.com> In-Reply-To: <20260327-dma-dmac-handle-vunmap-v2-0-021f95f0e87b@analog.com> To: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Lars-Peter Clausen , Vinod Koul , Frank Li X-Mailer: b4 0.15.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1774630718; l=889; i=nuno.sa@analog.com; s=20231116; h=from:subject:message-id; bh=FiW+zvQ0Vg5geNpbllXV8K8Pu2uQGa6K1A0veJRrIZI=; b=ZqTnBw5uXCp7pFYSt/5bMscZVq8LUTat+TLk9lcl/HYXupAduoZ+/etCrHJx2iu/Lrrppym8+ XVRcBW4z8eGC+jBms4+uT94JNNhP/WrH/N4bIcVGvwrHSZdfVinVc5E X-Developer-Key: i=nuno.sa@analog.com; a=ed25519; pk=3NQwYA013OUYZsmDFBf8rmyyr5iQlxV/9H4/Df83o1E= X-Endpoint-Received: by B4 Relay for nuno.sa@analog.com/20231116 with auth_id=100 X-Original-From: =?utf-8?q?Nuno_S=C3=A1?= Reply-To: nuno.sa@analog.com From: Nuno S=C3=A1 In axi_dmac_prep_peripheral_dma_vec() if we fail after calling axi_dmac_alloc_desc(), we need to use axi_dmac_free_desc() to fully free the descriptor. Fixes: 74609e568670 ("dmaengine: dma-axi-dmac: Implement device_prep_periph= eral_dma_vec") Signed-off-by: Nuno S=C3=A1 --- drivers/dma/dma-axi-dmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index 45c2c8e4bc45..127c3cf80a0e 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c @@ -769,7 +769,7 @@ axi_dmac_prep_peripheral_dma_vec(struct dma_chan *c, co= nst struct dma_vec *vecs, for (i =3D 0; i < nb; i++) { if (!axi_dmac_check_addr(chan, vecs[i].addr) || !axi_dmac_check_len(chan, vecs[i].len)) { - kfree(desc); + axi_dmac_free_desc(desc); return NULL; } =20 --=20 2.53.0