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nfs: fix oops in nfs_rename()

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Recent change is missing to update "rehash".  With that change, it will
become the cause of adding dentry to hash twice.

This explains the reason of Oops (dereference the freed dentry in
__d_lookup()) on my machine.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Reported-by: Marvin <marvin24@gmx.de>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
OGAWA Hirofumi 2010-01-06 18:48:26 -05:00 committed by Trond Myklebust
parent 6c8530993e
commit 56335936de
1 changed files with 1 additions and 0 deletions
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fs/nfs/dir.c
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@ -1615,6 +1615,7 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out;
new_dentry = dentry;
rehash = NULL;
new_inode = NULL;
}
}