USB: OHCI: ohci_init_driver(): sanity check overrides
Check for non-NULL overrides before dereferencing since platforms may
pass in NULL overrides.
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 21d937a..8ada13f 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1161,10 +1161,12 @@
/* Copy the generic table to drv and then apply the overrides */
*drv = ohci_hc_driver;
- drv->product_desc = over->product_desc;
- drv->hcd_priv_size += over->extra_priv_size;
- if (over->reset)
- drv->reset = over->reset;
+ if (over) {
+ drv->product_desc = over->product_desc;
+ drv->hcd_priv_size += over->extra_priv_size;
+ if (over->reset)
+ drv->reset = over->reset;
+ }
}
EXPORT_SYMBOL_GPL(ohci_init_driver);