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| author | Varka Bhadram <varkabhadram@gmail.com> | 2014-11-04 07:17:10 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-07 09:00:51 -0800 |
| commit | 6827f7e3113ae11689546404f557fbfdba20aa50 (patch) | |
| tree | d31b1358ffaa78b692ba7ee9f0d63209f5b4f65f | |
| parent | 55dc68c012bf056880c03d9f6eb34c00880f9e88 (diff) | |
| download | lwn-6827f7e3113ae11689546404f557fbfdba20aa50.tar.gz lwn-6827f7e3113ae11689546404f557fbfdba20aa50.zip | |
host: uhci-platform: fix NULL pointer dereference on resource
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/host/uhci-platform.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c index b987f1d10058..cf8f46003f62 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; |