From: Christophe JAILLET Date: Mon, 20 Feb 2017 07:08:15 +0000 (+0100) Subject: drm/rockchip: cdn-dp: Fix error handling X-Git-Tag: v4.11-rc1~42^2^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=efe0220fc2d2cc1cbd6c663dd3d652ac2b9afd1a;p=thirdparty%2Flinux.git drm/rockchip: cdn-dp: Fix error handling It is likely that both 'clk_disable_unprepare()' should be called if 'pm_runtime_get_sync()' fails. Add a new label for that, because 'err_set_rate' is not meaningful in this case. Add a missing call to 'pm_runtime_put()'. Fixes: 1a0f7ed3abe2 ("drm/rockchip: cdn-dp: add cdn DP support for rk3399") Signed-off-by: Christophe JAILLET Acked-by: Mark Yao Signed-off-by: Sean Paul Link: http://patchwork.freedesktop.org/patch/msgid/20170220070815.23096-1-christophe.jaillet@wanadoo.fr --- diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index 9ab67a670885f..fd79a70b85520 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -111,7 +111,7 @@ static int cdn_dp_clk_enable(struct cdn_dp_device *dp) ret = pm_runtime_get_sync(dp->dev); if (ret < 0) { DRM_DEV_ERROR(dp->dev, "cannot get pm runtime %d\n", ret); - goto err_pclk; + goto err_pm_runtime_get; } reset_control_assert(dp->core_rst); @@ -133,6 +133,8 @@ static int cdn_dp_clk_enable(struct cdn_dp_device *dp) return 0; err_set_rate: + pm_runtime_put(dp->dev); +err_pm_runtime_get: clk_disable_unprepare(dp->core_clk); err_core_clk: clk_disable_unprepare(dp->pclk);