From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mout.web.de ([212.227.17.11]:56638 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754442AbdIDUMr (ORCPT ); Mon, 4 Sep 2017 16:12:47 -0400 Subject: [PATCH 6/6] [media] atmel-isi: Adjust a null pointer check in three functions From: SF Markus Elfring To: linux-media@vger.kernel.org, Ludovic Desroches , Mauro Carvalho Chehab , Songjun Wu Cc: LKML , kernel-janitors@vger.kernel.org References: <88d0739c-fdc1-9d7d-fe53-b7c2eeed1849@users.sourceforge.net> Message-ID: Date: Mon, 4 Sep 2017 22:12:38 +0200 MIME-Version: 1.0 In-Reply-To: <88d0739c-fdc1-9d7d-fe53-b7c2eeed1849@users.sourceforge.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: From: Markus Elfring Date: Mon, 4 Sep 2017 21:30:48 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The script “checkpatch.pl” pointed information out like the following. Comparison to NULL could be written !… Thus fix the affected source code places. Signed-off-by: Markus Elfring --- drivers/media/platform/atmel/atmel-isi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/atmel/atmel-isi.c b/drivers/media/platform/atmel/atmel-isi.c index ac40defce1e7..f2e13dfb19a1 100644 --- a/drivers/media/platform/atmel/atmel-isi.c +++ b/drivers/media/platform/atmel/atmel-isi.c @@ -411,7 +411,7 @@ static void buffer_queue(struct vb2_buffer *vb) spin_lock_irqsave(&isi->irqlock, flags); list_add_tail(&buf->list, &isi->video_buffer_list); - if (isi->active == NULL) { + if (!isi->active) { isi->active = buf; if (vb2_is_streaming(vb->vb2_queue)) start_dma(isi, buf); @@ -1141,7 +1141,7 @@ static int isi_graph_init(struct atmel_isi *isi) /* Register the subdevices notifier. */ subdevs = devm_kzalloc(isi->dev, sizeof(*subdevs), GFP_KERNEL); - if (subdevs == NULL) { + if (!subdevs) { of_node_put(isi->entity.node); return -ENOMEM; } @@ -1200,7 +1200,7 @@ static int atmel_isi_probe(struct platform_device *pdev) return ret; isi->vdev = video_device_alloc(); - if (isi->vdev == NULL) { + if (!isi->vdev) { ret = -ENOMEM; goto err_vdev_alloc; } -- 2.14.1