tree 010f30f5acba34e61aeff61e47aeaad8306ce1ff
parent 4bbba111d94781d34081c37856bbc5eb33f6c72a
author Michal Sojka <sojkam1@fel.cvut.cz> 1300203707 +0100
committer Greg Kroah-Hartman <gregkh@suse.de> 1300911256 -0700

USB: Do not pass negative length to snoop_urb()

When `echo Y > /sys/module/usbcore/parameters/usbfs_snoop` and
usb_control_msg() returns error, a lot of kernel memory is dumped to dmesg
until unhandled kernel paging request occurs.

Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz>
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>