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 664912D023; Mon, 10 Mar 2025 17:55:42 +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=1741629342; cv=none; b=f6zNg/vDdIhpW/JqYoP4+Mi7DsuxpvbQCxc70i8JPweCldXRetyNX/1wiBXb6KSkyO3cdanl7RY2gmnR5AXJNHE7lyCwQZ4QXnpMjH/A8giXDEQCstLuuWeA+r+xhmRMgFXwAIJFGMy3nMayF2wuQ7RbDu/uNVqG7xa1wnYKuqo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741629342; c=relaxed/simple; bh=ldMkKIqzkeIVsMB2T4EVylegWe6s0xNC8OnFENajQ1s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aJN1uk7qaYh5Hvz6Z7OtIPZgJAdwm0ee9G/9YF4qXrnBgCkqk1kKzGG/FmxgkI6UIwyuKbFGYdmHA/y79gudo5MXVSzeBa+RxySUIrwjmJz8sEFPBj0O3Q1XB7KcgRE4wyv6huRkq3gcAr1+FRyHy7J3fL/1WX4/pQsnWJeKwF8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=sLRLhxmt; 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="sLRLhxmt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFC46C4CEE5; Mon, 10 Mar 2025 17:55:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741629342; bh=ldMkKIqzkeIVsMB2T4EVylegWe6s0xNC8OnFENajQ1s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sLRLhxmtBmPqJsbsC5Zyi091KfHdqYFjdrR55Ip+yKdpKWFeiUY38d4epdeyeLInk 6NjgqcTkuXi25VpX1ynssQjhHu9VLb09yMhoqCF96g39GRKZs9QRT+4eexF3TU2Gyf pG/1Is9h29dISFamb/4sol4A7rWSl8rEYIqInoHA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Haoxiang Li , Liviu Dudau Subject: [PATCH 5.15 262/620] drm/komeda: Add check for komeda_get_layer_fourcc_list() Date: Mon, 10 Mar 2025 18:01:48 +0100 Message-ID: <20250310170555.968634357@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170545.553361750@linuxfoundation.org> References: <20250310170545.553361750@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 5.15-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,