USB: serial: io_edgeport: fix memory leaks in probe error path
URBs and buffers allocated in attach for Epic devices would never be deallocated in case of a later probe error (e.g. failure to allocate minor numbers) as disconnect is then never called. Fix by moving deallocation to release and making sure that the URBs are first unlinked. Fixes: f9c99bb8 ("USB: usb-serial: replace shutdown with disconnect, release") Cc: stable <stable@vger.kernel.org> # v2.6.31 Signed-off-by: NJohan Hovold <johan@kernel.org> Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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