[PATCH] drm/i915: fix returnvar.cocci warning

[Guo Zhengkui]

Fix the following coccicheck warning:
drivers/gpu/drm/i915/display/intel_pipe_crc.c:82:5-8:
Unneeded variable: "ret". Return "0" on line 125.

Signed-off-by: Guo Zhengkui <guozhengkui@xxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_pipe_crc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_pipe_crc.c b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
index 8ac263f471be..a4c570e487ae 100644
--- a/drivers/gpu/drm/i915/display/intel_pipe_crc.c
+++ b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
@@ -79,7 +79,6 @@ static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
 	struct intel_encoder *encoder;
 	struct intel_crtc *crtc;
 	struct intel_digital_port *dig_port;
-	int ret = 0;
 
 	*source = INTEL_PIPE_CRC_SOURCE_PIPE;
 
@@ -122,7 +121,7 @@ static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
 	}
 	drm_modeset_unlock_all(dev);
 
-	return ret;
+	return 0;
 }
 
 static int vlv_pipe_crc_ctl_reg(struct drm_i915_private *dev_priv,
-- 
2.20.1