vga_switcheroo: simplify the return expression of vga_switcheroo_runtime_resume

Simplify the return expression.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200921131110.93365-1-miaoqinglang@huawei.com

diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index 087304b..1401fd5 100644 (file)
--- 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);
 }
 
 /**