From: Andrzej Hajda <a.hajda@samsung.com>
Date: Thu, 24 Sep 2015 14:00:24 +0000 (+0200)
Subject: r8169: fix handling rtl_readphy result
X-Git-Tag: omap-for-v4.3/fixes-rc5~57^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72521ea07c0af37b8cb21228368128191c3f1a58;p=pandora-kernel.git

r8169: fix handling rtl_readphy result

The function can return negative value.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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