linux-kernel - [PATCH -next] drm/i915: Remove unused variable ret

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Date:   Thu, 29 Oct 2020 10:18:45 +0800
From:   Zou Wei <zou_wei@...wei.com>
To:     <jani.nikula@...ux.intel.com>, <joonas.lahtinen@...ux.intel.com>,
        <rodrigo.vivi@...el.com>, <airlied@...ux.ie>, <daniel@...ll.ch>
CC:     <intel-gfx@...ts.freedesktop.org>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        Zou Wei <zou_wei@...wei.com>
Subject: [PATCH -next] drm/i915: Remove unused variable ret

This patch fixes below warnings reported by coccicheck

./drivers/gpu/drm/i915/i915_debugfs.c:789:5-8: Unneeded variable: "ret". Return "0" on line 1012

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zou Wei <zou_wei@...wei.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index ea46916..200f6b8 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -786,7 +786,6 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
 	struct intel_uncore *uncore = &dev_priv->uncore;
 	struct intel_rps *rps = &dev_priv->gt.rps;
 	intel_wakeref_t wakeref;
-	int ret = 0;
 
 	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
 
@@ -1009,7 +1008,7 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
 	seq_printf(m, "Max pixel clock frequency: %d kHz\n", dev_priv->max_dotclk_freq);
 
 	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
-	return ret;
+	return 0;
 }
 
 static int i915_ring_freq_table(struct seq_file *m, void *unused)
-- 
2.6.2