From patchwork Tue Dec 22 00:21:47 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 69199 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.2) with ESMTP id nBM0M8HD024878 for ; Tue, 22 Dec 2009 00:22:08 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752256AbZLVAWH (ORCPT ); Mon, 21 Dec 2009 19:22:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752288AbZLVAWF (ORCPT ); Mon, 21 Dec 2009 19:22:05 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:34415 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752354AbZLVAWC (ORCPT ); Mon, 21 Dec 2009 19:22:02 -0500 Received: from imap1.linux-foundation.org (imap1.linux-foundation.org [140.211.169.55]) by smtp1.linux-foundation.org (8.14.2/8.13.5/Debian-3ubuntu1.1) with ESMTP id nBM0Llse005339 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 21 Dec 2009 16:21:48 -0800 Received: from localhost.localdomain (localhost [127.0.0.1]) by imap1.linux-foundation.org (8.13.5.20060308/8.13.5/Debian-3ubuntu1.1) with ESMTP id nBM0Ll1Q004931; Mon, 21 Dec 2009 16:21:47 -0800 Message-Id: <200912220021.nBM0Ll1Q004931@imap1.linux-foundation.org> Subject: [patch 1/3] drivers/media/video: Move dereference after NULL test To: mchehab@infradead.org Cc: linux-media@vger.kernel.org, akpm@linux-foundation.org, julia@diku.dk From: akpm@linux-foundation.org Date: Mon, 21 Dec 2009 16:21:47 -0800 MIME-Version: 1.0 X-Spam-Status: No, hits=-3.515 required=5 tests=AWL, BAYES_00, OSDL_HEADER_SUBJECT_BRACKETED X-Spam-Checker-Version: SpamAssassin 3.2.4-osdl_revision__1.47__ X-MIMEDefang-Filter: lf$Revision: 1.188 $ X-Scanned-By: MIMEDefang 2.63 on 140.211.169.13 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org diff -puN drivers/media/video/davinci/vpif_display.c~drivers-media-video-move-dereference-after-null-test drivers/media/video/davinci/vpif_display.c --- a/drivers/media/video/davinci/vpif_display.c~drivers-media-video-move-dereference-after-null-test +++ a/drivers/media/video/davinci/vpif_display.c @@ -383,8 +383,6 @@ static int vpif_get_std_info(struct chan int index; std_info->stdid = vid_ch->stdid; - if (!std_info) - return -1; for (index = 0; index < ARRAY_SIZE(ch_params); index++) { config = &ch_params[index]; diff -puN drivers/media/video/saa7134/saa7134-alsa.c~drivers-media-video-move-dereference-after-null-test drivers/media/video/saa7134/saa7134-alsa.c --- a/drivers/media/video/saa7134/saa7134-alsa.c~drivers-media-video-move-dereference-after-null-test +++ a/drivers/media/video/saa7134/saa7134-alsa.c @@ -1011,8 +1011,6 @@ static int snd_card_saa7134_new_mixer(sn unsigned int idx; int err, addr; - if (snd_BUG_ON(!chip)) - return -EINVAL; strcpy(card->mixername, "SAA7134 Mixer"); for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_volume_controls); idx++) { diff -puN drivers/media/video/usbvideo/quickcam_messenger.c~drivers-media-video-move-dereference-after-null-test drivers/media/video/usbvideo/quickcam_messenger.c --- a/drivers/media/video/usbvideo/quickcam_messenger.c~drivers-media-video-move-dereference-after-null-test +++ a/drivers/media/video/usbvideo/quickcam_messenger.c @@ -692,12 +692,13 @@ static int qcm_start_data(struct uvd *uv static void qcm_stop_data(struct uvd *uvd) { - struct qcm *cam = (struct qcm *) uvd->user_data; + struct qcm *cam; int i, j; int ret; if ((uvd == NULL) || (!uvd->streaming) || (uvd->dev == NULL)) return; + cam = (struct qcm *) uvd->user_data; ret = qcm_camera_off(uvd); if (ret)