[PATCH] nfsd4: lookup_one_len takes i_sem

Oops, this lookup_one_len needs the i_sem.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index bb40083b6b7d..53abb333732e 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -289,7 +289,9 @@ nfsd4_unlink_clid_dir(char *name, int namlen)
 
         dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
 
+        down(&rec_dir.dentry->d_inode->i_sem);
         dentry = lookup_one_len(name, rec_dir.dentry, namlen);
+        up(&rec_dir.dentry->d_inode->i_sem);
         if (IS_ERR(dentry)) {
                 status = PTR_ERR(dentry);
                 return status;