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staging: ozwpan: Fix crash for race condition.
authorRupesh Gujare <rupesh.gujare@atmel.com>
Thu, 22 Aug 2013 16:38:48 +0000 (17:38 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 22 Aug 2013 17:15:55 +0000 (10:15 -0700)
Do not allocate a port to new device or process URB when its status is
yet to be read. This avoids race condition when USB core read hub
status a bit late, while new device tries to acquire port.

Signed-off-by: Rupesh Gujare <rupesh.gujare@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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