Messages in this thread Patch in this message | | | From | varkabhadram@gmail ... | Subject | [PATCH usb v4 1/2] host: uhci-platform: fix NULL pointer dereference on resource | Date | Tue, 4 Nov 2014 07:17:10 +0530 |
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From: Varka Bhadram <varkabhadram@gmail.com>
Fix in accessing NULL if resource didn't get.
Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> --- drivers/usb/host/uhci-platform.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c index b987f1d..cf8f460 100644 --- a/drivers/usb/host/uhci-platform.c +++ b/drivers/usb/host/uhci-platform.c @@ -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; -- 1.7.9.5
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