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 DA3D71AAA29; Thu, 13 Feb 2025 15:05:45 +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=1739459145; cv=none; b=JBD+iysevyA/5T1uUpna1bmSnFnuCmocNQIgdKtkVXsbZHz+itQk1OHWZZNHJTr2TvHlSa8Xr0SyYhfUlyiHCvUR2LCYCjh+PYneft/1eMm4UNdc0FrpCEj5e7udkAsY+XisWoPVX2RRFq6gGXMYPHyWn+Ls4e/Tsbr2o0OMwx8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739459145; c=relaxed/simple; bh=i8zzqfHWTC4KZmlRVOzH2qQwXOGmdEUV0MYltoBp8eo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FR/VLFgVTH0e6MAOjrgS+ltmHg4slcs7uSHY2wI8+qUy5DRbOxHKvXICF7Xm8EBZQYfR050piGIIaQYPcY68RB6c9RQ93OLKdesX89lsY8G8Kpk3K15CoOoF00sS0X10jx6JTo2Qb8wrbL/4ry+HE0rq93YO+RZLymUd+b94JRA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=wkh0t6SI; 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="wkh0t6SI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59560C4CED1; Thu, 13 Feb 2025 15:05:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1739459145; bh=i8zzqfHWTC4KZmlRVOzH2qQwXOGmdEUV0MYltoBp8eo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wkh0t6SIcoQxDiAAvGc8Zy/50Oeyl900uKorWkShOEJ0+L1IN6ck7u0sJFDO1QaWE WhcW5YrJJN1PBPqfJe37Z7UYBKzqiuPA0zBmh3/KPnHfd3HpYkMFv6tzseAW7usxHV 86/JTpIMe+Lg9XBNtbXsJHdmyh8GbfEu+i/Cedjg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Haoxiang Li , Liviu Dudau Subject: [PATCH 6.13 182/443] drm/komeda: Add check for komeda_get_layer_fourcc_list() Date: Thu, 13 Feb 2025 15:25:47 +0100 Message-ID: <20250213142447.639720453@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250213142440.609878115@linuxfoundation.org> References: <20250213142440.609878115@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 6.13-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,