Messages in this thread Patch in this message | | | From | Charles Keepax <> | Subject | [PATCH] USB: OHCI: Only use ohci_driver_overrides if they are defined | Date | Tue, 15 Oct 2013 13:21:55 +0100 |
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Overrides are optional and many drivers pass NULL, in this case don't process the overrides so we don't deference a NULL pointer.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> --- drivers/usb/host/ohci-hcd.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 21d937a..e26abd5 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1161,6 +1161,9 @@ void ohci_init_driver(struct hc_driver *drv, /* Copy the generic table to drv and then apply the overrides */ *drv = ohci_hc_driver; + if (!over) + return; + drv->product_desc = over->product_desc; drv->hcd_priv_size += over->extra_priv_size; if (over->reset) -- 1.7.2.5
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