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authorArnd Bergmann <arnd@arndb.de>2011-10-20 18:30:25 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-20 18:30:25 +0200
commit995a0605a6665858d73f9e80053414909be33f27 (patch)
treefcc66a6a77acdaae492f77c0c58c0233db74a2b4 /drivers/usb/core/hcd.c
parenta32750c2ca6f697903b19063fc86f4272865e3a1 (diff)
parent677d3e2f07d1b3d6d2f76fd5552d16a53b9236a0 (diff)
Merge branch 'at91/trng' into next/driver
Diffstat (limited to 'drivers/usb/core/hcd.c')
-rw-r--r--drivers/usb/core/hcd.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 8669ba3fe79..73cbbd85219 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1775,6 +1775,8 @@ int usb_hcd_alloc_bandwidth(struct usb_device *udev,
struct usb_interface *iface = usb_ifnum_to_if(udev,
cur_alt->desc.bInterfaceNumber);
+ if (!iface)
+ return -EINVAL;
if (iface->resetting_device) {
/*
* The USB core just reset the device, so the xHCI host