linux-kernel - [PATCH -next] vga_switcheroo: simplify the return expression of vga_switcheroo_runtime

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Date:   Mon, 21 Sep 2020 21:11:10 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Lukas Wunner <lukas@...ner.de>, David Airlie <airlied@...ux.ie>,
        "Daniel Vetter" <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>
CC:     <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH -next] vga_switcheroo: simplify the return expression of vga_switcheroo_runtime_resume

Simplify the return expression.

Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
 drivers/gpu/vga/vga_switcheroo.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index 087304b1a..1401fd52f 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -1034,17 +1034,12 @@ static int vga_switcheroo_runtime_suspend(struct device *dev)
 static int vga_switcheroo_runtime_resume(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
-	int ret;
 
 	mutex_lock(&vgasr_mutex);
 	vga_switcheroo_power_switch(pdev, VGA_SWITCHEROO_ON);
 	mutex_unlock(&vgasr_mutex);
 	pci_wakeup_bus(pdev->bus);
-	ret = dev->bus->pm->runtime_resume(dev);
-	if (ret)
-		return ret;
-
-	return 0;
+	return dev->bus->pm->runtime_resume(dev);
 }
 
 /**
-- 
2.23.0