John Crispin 8ad2ee955b serial: MIPS: lantiq: fix clock error check
The clock should be checked with the proper IS_ERR() api before using it.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-08-12 11:37:48 -07:00
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