From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Tue, 24 Oct 2017 08:49:52 +0000 Subject: [PATCH 1/3] drm/exynos/dsi: Use common error handling code in exynos_dsi_enable() Message-Id: <9028478a-a00d-6fcd-0286-b8daefa8c912@users.sourceforge.net> List-Id: References: <7d4cdb43-432c-c67a-5d3f-c37bd604f539@users.sourceforge.net> In-Reply-To: <7d4cdb43-432c-c67a-5d3f-c37bd604f539@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, David Airlie , Inki Dae , Joonyoung Shim , Krzysztof Kozlowski , Kukjin Kim , Kyungmin Park , Seung-Woo Kim Cc: kernel-janitors@vger.kernel.org, LKML From: Markus Elfring Date: Tue, 24 Oct 2017 09:32:18 +0200 Add a jump target so that a bit of exception handling can be better reused at the end of this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/gpu/drm/exynos/exynos_drm_dsi.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 7904ffa9abfb..ba5fb49c5491 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1389,8 +1389,7 @@ static void exynos_dsi_enable(struct drm_encoder *encoder) ret = drm_panel_prepare(dsi->panel); if (ret < 0) { dsi->state &= ~DSIM_STATE_ENABLED; - pm_runtime_put_sync(dsi->dev); - return; + goto put_sync; } exynos_dsi_set_display_mode(dsi); @@ -1401,11 +1400,14 @@ static void exynos_dsi_enable(struct drm_encoder *encoder) dsi->state &= ~DSIM_STATE_ENABLED; exynos_dsi_set_display_enable(dsi, false); drm_panel_unprepare(dsi->panel); - pm_runtime_put_sync(dsi->dev); - return; + goto put_sync; } dsi->state |= DSIM_STATE_VIDOUT_AVAILABLE; + return; + +put_sync: + pm_runtime_put_sync(dsi->dev); } static void exynos_dsi_disable(struct drm_encoder *encoder) -- 2.14.2