From: J. Bruce Fields <bfields@redhat.com>
Date: Fri, 3 Apr 2015 21:19:41 +0000 (-0400)
Subject: nfsd4: fix READ permission checking
X-Git-Tag: omap-for-v4.1/fixes-rc1~42^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e4891dc289cd191d46ab7ba1dcb29646644f9ca;p=pandora-kernel.git

nfsd4: fix READ permission checking

In the case we already have a struct file (derived from a stateid), we
still need to do permission-checking; otherwise an unauthorized user
could gain access to a file by sniffing or guessing somebody else's
stateid.

Cc: stable@vger.kernel.org
Fixes: dc97618ddda9 "nfsd4: separate splice and readv cases"
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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