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 1D667211468; Thu, 13 Feb 2025 14:42:08 +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=1739457728; cv=none; b=iRno7qGHckmW9k6CyFhxU6KQjytqk++LfKKTALARIWFlf8J6O7AXWFfxB3VbTVjPSfyo+S5plWTwvVxGfOHerQtS8HhU2mr841WaNe88vcE7dBEagOmnqhCqhjPyOqYHciRs0U9UiOQhtLyxi6azYt+6rqsAPsRhV9oLNjCgRb8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739457728; c=relaxed/simple; bh=ih4XgMTNBIwCVFJRZqPOSehWhVrmIt7PU9zNLtCMxQo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PFvDgNVLH9biIups0PyVSj9alVZkNluQNbgVOs/3pkiXdFm060wDDFP/Ilaf1IT1xdjhuyV32dc9CWImAaqdT0a3OfnOfzxJGZho3DnnrQ1u5UfXO8IxTKoNuHWr/9gyOjmZNUZHpym1LEltjwrfpprd6eNvZirzZH8xhwLiYWo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PsITwqsQ; 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="PsITwqsQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DEA6C4CED1; Thu, 13 Feb 2025 14:42:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1739457728; bh=ih4XgMTNBIwCVFJRZqPOSehWhVrmIt7PU9zNLtCMxQo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PsITwqsQUlqAKb2qEmH5jDaTQzDO5puL7oC/rEQx1S/noT0FrIKclbc/OX46paMeE 2K3Vp60x1ygMV8qUi+y/JXThFElvPZ5hbVhtVBm8nNFUmuEZVDF8DvNFFWquaZp/GP jILWUZn6YZqVstGi+pPxqGuXedXEKAI17qndoLSw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Haoxiang Li , Liviu Dudau Subject: [PATCH 6.12 164/422] drm/komeda: Add check for komeda_get_layer_fourcc_list() Date: Thu, 13 Feb 2025 15:25:13 +0100 Message-ID: <20250213142442.873604993@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250213142436.408121546@linuxfoundation.org> References: <20250213142436.408121546@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Haoxiang Li commit 79fc672a092d93a7eac24fe20a571d4efd8fa5a4 upstream. Add check for the return value of komeda_get_layer_fourcc_list() to catch the potential exception. Fixes: 5d51f6c0da1b ("drm/komeda: Add writeback support") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li Acked-by: Liviu Dudau Link: https://lore.kernel.org/r/20241219090256.146424-1-haoxiang_li2024@163.com Signed-off-by: Liviu Dudau Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c @@ -160,6 +160,10 @@ static int komeda_wb_connector_add(struc formats = komeda_get_layer_fourcc_list(&mdev->fmt_tbl, kwb_conn->wb_layer->layer_type, &n_formats); + if (!formats) { + kfree(kwb_conn); + return -ENOMEM; + } err = drm_writeback_connector_init(&kms->base, wb_conn, &komeda_wb_connector_funcs,