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Safer nfsd_cross_mnt()
authorAl Viro <viro@zeniv.linux.org.uk>
Sat, 18 Apr 2009 06:32:31 +0000 (02:32 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Tue, 21 Apr 2009 03:01:15 +0000 (23:01 -0400)
AFAICS, we have a subtle bug there: if we have crossed mountpoint
*and* it got mount --move'd away, we'll be holding only one
reference to fs containing dentry - exp->ex_path.mnt.  IOW, we
ought to dput() before exp_put().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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