From: Abhishek Kulkarni <adkulkar@umail.iu.edu>
Date: Sun, 19 Jul 2009 19:41:52 +0000 (-0600)
Subject: 9p: Fix possible regressions when ->get_sb fails.
X-Git-Tag: v2.6.31-rc8~6^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b5ab3e86712b6be38ebbe0d821387c1d8f91d7c;p=pandora-kernel.git

9p: Fix possible regressions when ->get_sb fails.

->get_sb can fail causing some badness. this patch fixes
   * clear sb->fs_s_info in kill_sb.
   * deactivate_locked_super() calls kill_sb (v9fs_kill_super) which closes the
     destroys the client, clunks all its fids and closes the v9fs session.
     Attempting to do it twice will cause an oops.

Signed-off-by: Abhishek Kulkarni <adkulkar@umail.iu.edu>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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