[PATCH] drivers:gpu: remove unneeded variable

[cgel . zte]

From: chiminghao <chi.ming...@zte.com.cn>

Fix the following coccicheck REVIEW:
./drivers/gpu/drm/tegra/dpaux.c:282:13-16 REVIEW Unneeded variable

Reported-by: Zeal Robot <zea...@zte.com.cm>
Signed-off-by: chiminghao <chi.ming...@zte.com.cn>
---
 drivers/gpu/drm/tegra/dpaux.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 1f96e416fa08..b65b21f26d2b 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -279,7 +279,6 @@ static void tegra_dpaux_hotplug(struct work_struct *work)
 static irqreturn_t tegra_dpaux_irq(int irq, void *data)
 {
        struct tegra_dpaux *dpaux = data;
-       irqreturn_t ret = IRQ_HANDLED;
        u32 value;
 
        /* clear interrupts */
@@ -296,7 +295,7 @@ static irqreturn_t tegra_dpaux_irq(int irq, void *data)
        if (value & DPAUX_INTR_AUX_DONE)
                complete(&dpaux->complete);
 
-       return ret;
+       return IRQ_HANDLED;
 }
 
 enum tegra_dpaux_functions {
-- 
2.25.1