serial: mxs-auart: Use PTR_ERR_OR_ZERO() to simplify the code
Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR. Generated by: scripts/coccinelle/api/ptr_ret.cocci Signed-off-by:Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
parent
5d7519df
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