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(parent: afb8aae) | patch
usb: clamp bInterval to allowed range
authorFelipe Balbi <balbi@ti.com>
Tue, 2 Jul 2013 07:50:15 +0000 (10:50 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 25 Jul 2013 18:49:30 +0000 (11:49 -0700)
commit42189d854f174e7b29e0fdb4da9984ba63126a92
treea8f825986d951260305433938aa1e431df4fa2d2tree | snapshot (tar.gz zip)
parentafb8aae89890e65bd4b828de38bd430d4f31caa8commit | diff
usb: clamp bInterval to allowed range

bInterval must be within the range 1 - 16
when running at High/Super speed, and within
the range 1 - 255 when running at Full/Low speed.

In order to catch drivers passing a too
large bInterval on Super/High speed scenarios
(thus overflowing urb->interval), let's clamp()
the argument to the allowed ranges.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/usb.h diff | blob | blame | history