tty: of_serial: fix return value check in of_platform_serial_setup()
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Thu, 1 Nov 2012 05:27:34 +0000 (13:27 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 1 Nov 2012 15:50:01 +0000 (08:50 -0700)
commit76cc43868c1e9d6344ad6c4992c4f6abd5204a8f
tree84f3bfcb952a2cb5bf74f3e9a15963c0637a36c9
parent31fe99048859b13a87f476016e7bb5c2b5220c36
tty: of_serial: fix return value check in of_platform_serial_setup()

In case of error, the function clk_get() returns ERR_PTR()
and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/of_serial.c