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Commit 6827f7e3 authored by Varka Bhadram's avatar Varka Bhadram Committed by Greg Kroah-Hartman
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host: uhci-platform: fix NULL pointer dereference on resource 



Fix in accessing NULL if resource didn't get.

Signed-off-by: default avatarVarka Bhadram <varkab@cdac.in>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 55dc68c0

drivers/usb/host/uhci-platform.c

+3 −3
Original line number Diff line number Diff line
@@ -86,14 +86,14 @@ static int uhci_hcd_platform_probe(struct platform_device *pdev) 
		return -ENOMEM;



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	hcd->rsrc_start = res->start;

	hcd->rsrc_len = resource_size(res);



	hcd->regs = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(hcd->regs)) {

		ret = PTR_ERR(hcd->regs);

		goto err_rmr;

	}

	hcd->rsrc_start = res->start;

	hcd->rsrc_len = resource_size(res);



	uhci = hcd_to_uhci(hcd);



	uhci->regs = hcd->regs;