From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 27 Feb 2009 13:06:12 +0000 (+0000)
Subject: sfc: Fix test for MDIO read failure
X-Git-Tag: v2.6.30-rc1~662^2~421
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b065f91faf56f5445ba45878ce6c55ea6388bb3;p=pandora-kernel.git

sfc: Fix test for MDIO read failure

Commit 27dd2caca4eabe7c13a052b7456495ba75535e6a changed
mdio_clause45_check_mmds() to read both DEVS0 and DEVS1 registers and
to combine their values into an unsigned 32-bit mask.  This made the
following test for a negative (failure) value useless.  Fix it to
check whether either read failed.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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