From: Magnus Damm <damm@opensource.se>
Date: Wed, 9 May 2012 06:49:57 +0000 (+0900)
Subject: serial8250-em: clk_get() IS_ERR() error handling fix
X-Git-Tag: v3.5-rc1~146^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=94e792ab66d696aad2e52c91bae4cfbeefe4c9f6;p=pandora-kernel.git

serial8250-em: clk_get() IS_ERR() error handling fix

Update the 8250_em driver to correctly handle the case
where no clock is associated with the device.

The return value of clk_get() needs to be checked with
IS_ERR() to avoid NULL pointer referencing.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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