From: Eric W. Biederman <ebiederm@xmission.com>
Date: Sat, 7 Jan 2012 14:57:47 +0000 (-0800)
Subject: sysctl: A more obvious version of grab_header.
X-Git-Tag: v3.4-rc1~99^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3cc3e04636d603778d921854b84ae7bd34a349a2;p=pandora-kernel.git

sysctl: A more obvious version of grab_header.

Instead of relying on sysct_head_next(NULL) to magically
return the right header for the root directory instead
explicitly transform NULL into the root directories header.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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