From: Jeff Layton <jlayton@primarydata.com>
Date: Tue, 15 Jul 2014 16:59:36 +0000 (-0400)
Subject: nfsd: silence sparse warning about accessing credentials
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~101^2~105
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae4b884fc6316b3190be19448cea24b020c1cad6;p=pandora-kernel.git

nfsd: silence sparse warning about accessing credentials

sparse says:

    fs/nfsd/auth.c:31:38: warning: incorrect type in argument 1 (different address spaces)
    fs/nfsd/auth.c:31:38:    expected struct cred const *cred
    fs/nfsd/auth.c:31:38:    got struct cred const [noderef] <asn:4>*real_cred

Add a new accessor for the ->real_cred and use that to fetch the
pointer. Accessing current->real_cred directly is actually quite safe
since we know that they can't go away so this is mostly a cosmetic fixup
to silence sparse.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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