serial: omap: fix potential NULL pointer dereference in serial_omap_runtime_suspend()
The dereference to 'up' should be moved below the NULL test. Introduced by commit ddd85e22 (serial: omap: prevent runtime PM for "no_console_suspend") Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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