[PATCH] drm: bridge: dw-hdmi: Remove redundant null check before clk_disable_unprepare

[Xu Wang]

Because clk_disable_unprepare() already checked NULL clock parameter,
so the additional check is unnecessary, just remove them.

Signed-off-by: Xu Wang <vulab at iscas.ac.cn>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 0c79a9ba48bb..dda4fa9a1a08 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -3440,8 +3440,7 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
 
 err_iahb:
 	clk_disable_unprepare(hdmi->iahb_clk);
-	if (hdmi->cec_clk)
-		clk_disable_unprepare(hdmi->cec_clk);
+	clk_disable_unprepare(hdmi->cec_clk);
 err_isfr:
 	clk_disable_unprepare(hdmi->isfr_clk);
 err_res:
@@ -3465,8 +3464,7 @@ void dw_hdmi_remove(struct dw_hdmi *hdmi)
 
 	clk_disable_unprepare(hdmi->iahb_clk);
 	clk_disable_unprepare(hdmi->isfr_clk);
-	if (hdmi->cec_clk)
-		clk_disable_unprepare(hdmi->cec_clk);
+	clk_disable_unprepare(hdmi->cec_clk);
 
 	if (hdmi->i2c)
 		i2c_del_adapter(&hdmi->i2c->adap);
-- 
2.17.1