Messages in this thread Patch in this message | | | From | varkabhadram@gmail ... | Subject | [PATCH usb v4 2/2] host: ehci-sead3: fix NULL pointer dereference on resource | Date | Tue, 4 Nov 2014 07:17:11 +0530 |
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From: Varka Bhadram <varkabhadram@gmail.com>
Fix on accessing NULL pointer dereference on get resource failed.
Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alan Stern <stern@rowland.harvard.edu> --- drivers/usb/host/ehci-sead3.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/ehci-sead3.c b/drivers/usb/host/ehci-sead3.c index cf12676..9b6e8d0 100644 --- a/drivers/usb/host/ehci-sead3.c +++ b/drivers/usb/host/ehci-sead3.c @@ -110,14 +110,13 @@ static int ehci_hcd_sead3_drv_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 err1; } + hcd->rsrc_start = res->start; + hcd->rsrc_len = resource_size(res); /* Root hub has integrated TT. */ hcd->has_tt = 1; -- 1.7.9.5
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