[PATCH] usb: phy: check the return value of ioremap() in usb_otg_start()
From: <hidden>
Date: 2022-07-22 03:20:33
Also in:
linuxppc-dev, lkml
Subsystem:
freescale usb phy driver, the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
From: William Dean <redacted>
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 <redacted>
Signed-off-by: William Dean <redacted>
---
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