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authorIngo Molnar <mingo@elte.hu>2011-09-18 14:01:26 +0200
committerIngo Molnar <mingo@elte.hu>2011-09-18 14:01:39 +0200
commitbfa322c48dc69bfdaee10faf3bd8dbc23b39a21c (patch)
tree95360c5d253115003080264d878f3c0f907f2978 /drivers/usb/core/hcd.c
parent88ebc08ea9f721d1345d5414288a308ea42ac458 (diff)
parent003f6c9df54970d8b19578d195b3e2b398cdbde2 (diff)
Merge branch 'linus' into sched/core
Merge reason: We are queueing up a dependent patch. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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