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USB: Do not pass negative length to snoop_urb()
authorMichal Sojka <sojkam1@fel.cvut.cz>
Tue, 15 Mar 2011 15:41:47 +0000 (16:41 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Sun, 27 Mar 2011 19:00:25 +0000 (12:00 -0700)
commit 9d02b42614149ebccf12c9c580601ed01bd83070 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/core/devio.c patch | blob | history

diff --cc drivers/usb/core/devio.c
Simple merge
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