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usb: dwc3: fix possible NULL pointer dereference for rockchip plat

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Change-Id: I2afb1fa38ae6e76b8db397bda59fd9fbafe9a53b
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
This commit is contained in:
Wu Liang feng
2016-08-25 20:37:33 +08:00
committed by Huang, Tao
parent 05b4496284
commit 7b9548efe6
1 changed files with 8 additions and 0 deletions
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8
drivers/usb/dwc3/dwc3-rockchip.c
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@@ -80,6 +80,9 @@ static void dwc3_rockchip_otg_extcon_evt_work(struct work_struct *work)
int ret;
u32 reg;
if (!dwc)
return;
if (extcon_get_cable_state_(edev, EXTCON_USB) > 0) {
if (dwc->connected)
return;
@@ -318,6 +321,11 @@ static int dwc3_rockchip_probe(struct platform_device *pdev)
}
rockchip->dwc = platform_get_drvdata(child_pdev);
if (!rockchip->dwc) {
dev_err(dev, "failed to get drvdata dwc3\n");
ret = -ENODEV;
goto err3;
}
if (rockchip->edev) {
pm_runtime_set_autosuspend_delay(&child_pdev->dev,