From: Alexander Beregalov <a.beregalov@gmail.com>
Date: Thu, 7 Jan 2010 01:17:32 +0000 (+0300)
Subject: USB: FHCI: avoid NULL pointer dereference
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=ae35fe9e8abe828b25053cd3efdc6953fbb710e3;p=deliverable%2Flinux.git

USB: FHCI: avoid NULL pointer dereference

Assign fhci only if usb is not NULL.

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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);