From patchwork Fri Jan 31 02:30:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Steven X-Patchwork-Id: 17626 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 0A76944A510 for ; Fri, 31 Jan 2020 04:32:09 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id EAA1D68AD92; Fri, 31 Jan 2020 04:32:08 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from smtpbgsg2.qq.com (smtpbgsg2.qq.com [54.254.200.128]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id BAE7F68A955 for ; Fri, 31 Jan 2020 04:32:02 +0200 (EET) X-QQ-mid: bizesmtp23t1580437845t6mk7jsg Received: from localhost (unknown [116.116.253.48]) by esmtp10.qq.com (ESMTP) with id ; Fri, 31 Jan 2020 10:30:42 +0800 (CST) X-QQ-SSF: 01100000000000K0ZSF0B00A0000000 X-QQ-FEAT: PWyfT+jp+FtMDtSPHQv0pv4wKlCw5aUgWh2qlKSpiIT9uVF5MlghI4wYkkSwm TG2uLvyYBQxReTaOgPZXDjNtIVHTnS5R3oays222vn2oN70cCDC3mfgTFlg6JVDgnPscRLl gQEc9pNtW3MmeBEGsABxF38AqsPTqDCupaz0AmeaDqv7d73vke0dwdKswLsXQFeFLEfNq0X WTR+i99T9AFXE43GObZuFgrwwyU9d6XiYio1bgxe/4eUg5wGjPXt+6XPuSyvfkSmvx7S0fi JZJcqjd+7DNC8rShC2HlUk2vOG0K4qG4LYyMAaN/w1B262 X-QQ-GoodBg: 0 From: Steven Liu To: ffmpeg-devel@ffmpeg.org Date: Fri, 31 Jan 2020 10:30:40 +0800 Message-Id: <20200131023040.31793-1-lq@chinaffmpeg.org> X-Mailer: git-send-email 2.17.2 (Apple Git-113) X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:chinaffmpeg.org:qybgforeign:qybgforeign5 X-QQ-Bgrelay: 1 Subject: [FFmpeg-devel] [PATCH] avformat/protocols: check protocol name before foreach X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Steven Liu MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Signed-off-by: Steven Liu --- libavformat/protocols.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/protocols.c b/libavformat/protocols.c index 29fb99e7fa..c692342132 100644 --- a/libavformat/protocols.c +++ b/libavformat/protocols.c @@ -110,6 +110,8 @@ const char *avio_enum_protocols(void **opaque, int output) const AVClass *avio_protocol_get_class(const char *name) { int i = 0; + if (!name) + return NULL; for (i = 0; url_protocols[i]; i++) { if (!strcmp(url_protocols[i]->name, name)) return url_protocols[i]->priv_data_class;