tree 900f44cde51c3523929b92222fc720a32bcd2811
parent a8825734e9169ddd0a2a343ceb8ce7d3ecfa08a7
author Johan Hovold <jhovold@gmail.com> 1374832517 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1374873249 -0700

USB: mos7840: fix race in register handling

Fix race in mos7840_get_reg which unconditionally manipulated the
control urb (which may already be in use) by adding a control-urb busy
flag.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>