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USB: mos7840: fix race in register handling
authorJohan Hovold <jhovold@gmail.com>
Fri, 26 Jul 2013 09:55:17 +0000 (11:55 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 26 Jul 2013 21:14:09 +0000 (14:14 -0700)
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>

No differences found
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