From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Tue, 15 Mar 2011 15:41:47 +0000 (+0100)
Subject: USB: Do not pass negative length to snoop_urb()
X-Git-Tag: v2.6.39-rc1~85^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d02b42614149ebccf12c9c580601ed01bd83070;p=pandora-kernel.git

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>
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