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authorAnton Vorontsov <cbouatmailru@gmail.com>2011-11-25 02:49:45 +0400
committerAnton Vorontsov <cbouatmailru@gmail.com>2011-11-25 02:54:59 +0400
commit47f0ac2b0a8c7f26b513a2a18045219b030aedf1 (patch)
tree27f33a5c1e40ee2a494758c1da2e03e86a09e32c /drivers/usb/core/hcd.c
parent7925231037447d1a9036f31c823d362bf2ef4bb0 (diff)
parentc3b92c8787367a8bb53d57d9789b558f1295cc96 (diff)
Merge tag 'v3.1' from git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git into master
Battery tree missed last merge window, so it became stale enough so that patches no longer apply as people use pretty recent kernels.
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