[PATCH] usb: dwc3: fix NULL pointer issue
Chunfeng Yun
chunfeng.yun at mediatek.com
Wed May 6 12:58:14 CEST 2020
The phy_bulk pointer *usb_phys is used before allocated,
fix it by using a phy_bulk variable instead in
xhci_dwc3_platdata struct
Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
---
drivers/usb/host/xhci-dwc3.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c
index 563db1a426..51c04a9de2 100644
--- a/drivers/usb/host/xhci-dwc3.c
+++ b/drivers/usb/host/xhci-dwc3.c
@@ -19,7 +19,7 @@
#include <linux/usb/otg.h>
struct xhci_dwc3_platdata {
- struct phy_bulk *usb_phys;
+ struct phy_bulk phys;
};
void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode)
@@ -124,7 +124,7 @@ static int xhci_dwc3_probe(struct udevice *dev)
hcor = (struct xhci_hcor *)((uintptr_t)hccr +
HC_LENGTH(xhci_readl(&(hccr)->cr_capbase)));
- ret = dwc3_setup_phy(dev, plat->usb_phys);
+ ret = dwc3_setup_phy(dev, &plat->phys);
if (ret && (ret != -ENOTSUPP))
return ret;
@@ -167,7 +167,7 @@ static int xhci_dwc3_remove(struct udevice *dev)
{
struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
- dwc3_shutdown_phy(dev, plat->usb_phys);
+ dwc3_shutdown_phy(dev, &plat->phys);
return xhci_deregister(dev);
}
--
2.25.1
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