From 53e720f332d546dee5a98a55f6e532355727bc4d Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Tue, 2 May 2017 11:37:22 -0500 Subject: [PATCH] usb: gadget: udc: add null check before pointer dereference Add null check before dereferencing dev->regs pointer inside net2280_led_shutdown() function. Addresses-Coverity-ID: 101783 Acked-by: Alan Stern Signed-off-by: Gustavo A. R. Silva Signed-off-by: Felipe Balbi --- drivers/usb/gadget/udc/net2280.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index 6cf07857eaca..29c3d11a0e1d 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -3573,7 +3573,6 @@ static void net2280_remove(struct pci_dev *pdev) BUG_ON(dev->driver); /* then clean up the resources we allocated during probe() */ - net2280_led_shutdown(dev); if (dev->requests) { int i; for (i = 1; i < 5; i++) { @@ -3588,8 +3587,10 @@ static void net2280_remove(struct pci_dev *pdev) free_irq(pdev->irq, dev); if (dev->quirks & PLX_PCIE) pci_disable_msi(pdev); - if (dev->regs) + if (dev->regs) { + net2280_led_shutdown(dev); iounmap(dev->regs); + } if (dev->region) release_mem_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); -- GitLab