Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755497AbbBDVBL (ORCPT ); Wed, 4 Feb 2015 16:01:11 -0500 Received: from mout.web.de ([212.227.15.4]:64591 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751033AbbBDVBJ (ORCPT ); Wed, 4 Feb 2015 16:01:09 -0500 Message-ID: <54D28870.3060400@users.sourceforge.net> Date: Wed, 04 Feb 2015 22:00:32 +0100 From: SF Markus Elfring User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: David Airlie , Inki Dae , Jingoo Han , Joonyoung Shim , Kukjin Kim , Kyungmin Park , Seung-Woo Kim , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org CC: LKML , kernel-janitors@vger.kernel.org, Julia Lawall Subject: [PATCH] GPU-DRM-Exynos: Delete unnecessary checks before two function calls References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:YTXdp7GHloWtSyQdVZUrTrU0otycLpaNhT28xTYYd2Wo6gJZU+a 21nbD3UaFNonLbEtvzSGg4xheT8EgAmFl9D8SETmRoJIUkEmfoaoy2tZ2uRUZnFQ66tb4Xa oro4YgcJhAtPPelX4GG29138xbD7wJiZQhQSsvF+itdyiyQ9KkJu/P0OnCOU3/wEakH8EWY rJo0irz8NwDRKUo2BiXYg== X-UI-Out-Filterresults: notjunk:1; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2024 Lines: 56 From: Markus Elfring Date: Wed, 4 Feb 2015 21:54:45 +0100 The functions phy_power_on() and vunmap() perform also input parameter validation. Thus the test around their calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/gpu/drm/exynos/exynos_dp_core.c | 6 ++---- drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 2 +- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c index 34d46aa..306cf1d 100644 --- a/drivers/gpu/drm/exynos/exynos_dp_core.c +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c @@ -1057,14 +1057,12 @@ static int exynos_dp_create_connector(struct exynos_drm_display *display, static void exynos_dp_phy_init(struct exynos_dp_device *dp) { - if (dp->phy) - phy_power_on(dp->phy); + phy_power_on(dp->phy); } static void exynos_dp_phy_exit(struct exynos_dp_device *dp) { - if (dp->phy) - phy_power_off(dp->phy); + phy_power_off(dp->phy); } static void exynos_dp_poweron(struct exynos_drm_display *display) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index e12ea90..0dd448a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -313,7 +313,7 @@ static void exynos_drm_fbdev_destroy(struct drm_device *dev, struct exynos_drm_gem_obj *exynos_gem_obj = exynos_fbd->exynos_gem_obj; struct drm_framebuffer *fb; - if (is_drm_iommu_supported(dev) && exynos_gem_obj->buffer->kvaddr) + if (is_drm_iommu_supported(dev)) vunmap(exynos_gem_obj->buffer->kvaddr); /* release drm framebuffer and real buffer */ -- 2.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/