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authorJames Morris <james.l.morris@oracle.com>2012-09-28 13:37:32 +1000
committerJames Morris <james.l.morris@oracle.com>2012-09-28 13:37:32 +1000
commitbf5308344527d015ac9a6d2bda4ad4d40fd7d943 (patch)
tree566e61e2cfc648c374d15cfc8c661b73e1a471f8 /drivers/usb/class/cdc-acm.c
parent3585e96cd1049682b8a19a0b699422156e9d735b (diff)
parent979570e02981d4a8fc20b3cc8fd651856c98ee9d (diff)
Merge tag 'v3.6-rc7' into next
Linux 3.6-rc7 Requested by David Howells so he can merge his key susbsystem work into my tree with requisite -linus changesets.
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
-rw-r--r--drivers/usb/class/cdc-acm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 56d6bf668488..f763ed7ba91e 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1104,7 +1104,8 @@ skip_normal_probe:
}
- if (data_interface->cur_altsetting->desc.bNumEndpoints < 2)
+ if (data_interface->cur_altsetting->desc.bNumEndpoints < 2 ||
+ control_interface->cur_altsetting->desc.bNumEndpoints == 0)
return -EINVAL;
epctrl = &control_interface->cur_altsetting->endpoint[0].desc;