From: William Dean <williamsukatube@xxxxxxxxx>
The function ioremap() in usb_otg_start() can fail, so
its return value should be checked.
Fixes: 0807c500a1a6d ("USB: add Freescale USB OTG Transceiver driver")
Reported-by: Hacash Robot <hacashRobot@xxxxxxxxxxx>
Signed-off-by: William Dean <williamsukatube@xxxxxxxxx>
---
drivers/usb/phy/phy-fsl-usb.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c
index 972704262b02..21b3b2d57358 100644
--- a/drivers/usb/phy/phy-fsl-usb.c
+++ b/drivers/usb/phy/phy-fsl-usb.c
@@ -855,6 +855,8 @@ int usb_otg_start(struct platform_device *pdev)
* with host/device */
usb_dr_regs = ioremap(res->start, sizeof(struct usb_dr_mmap));
+ if (!usb_dr_regs)
+ return -ENOMEM;
p_otg->dr_mem_map = (struct usb_dr_mmap *)usb_dr_regs;
pdata->regs = (void *)usb_dr_regs;
--
2.25.1
