tree daf7c48631b43083a4007b7b82f53f47010bfe99
parent 5c0517fefc92d636e409141ed75c29c3f1969107
author Peter Hurley <peter@hurleysoftware.com> 1460253392 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1462033615 -0700

serial: core: Expand port mutex section in uart_poll_init()

Prepare uart_poll_init() to safely dereference uart port; expand the
port mutex section to guarantee uart port remains valid until
uart_poll_init() completes.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>