From ae35fe9e8abe828b25053cd3efdc6953fbb710e3 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Thu, 7 Jan 2010 04:17:32 +0300 Subject: [PATCH] USB: FHCI: avoid NULL pointer dereference Assign fhci only if usb is not NULL. Signed-off-by: Alexander Beregalov Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/fhci-hcd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index 0951818ef93b..78e7c3cfcb72 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -242,9 +242,10 @@ err: static void fhci_usb_free(void *lld) { struct fhci_usb *usb = lld; - struct fhci_hcd *fhci = usb->fhci; + struct fhci_hcd *fhci; if (usb) { + fhci = usb->fhci; fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF); fhci_ep0_free(usb); kfree(usb->actual_frame); -- 2.20.1