nfsd4: fix lockowner matching

[pandora-kernel.git] / fs / nfsd / nfs4state.c

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 47e94e3..5abced7 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3809,16 +3809,29 @@ nevermind:
                deny->ld_type = NFS4_WRITE_LT;
 }
 
+static bool same_lockowner_ino(struct nfs4_lockowner *lo, struct inode *inode, clientid_t *clid, struct xdr_netobj *owner)
+{
+       struct nfs4_ol_stateid *lst;
+
+       if (!same_owner_str(&lo->lo_owner, owner, clid))
+               return false;
+       lst = list_first_entry(&lo->lo_owner.so_stateids,
+                              struct nfs4_ol_stateid, st_perstateowner);
+       return lst->st_file->fi_inode == inode;
+}
+
 static struct nfs4_lockowner *
 find_lockowner_str(struct inode *inode, clientid_t *clid,
                struct xdr_netobj *owner)
 {
        unsigned int hashval = lock_ownerstr_hashval(inode, clid->cl_id, owner);
+       struct nfs4_lockowner *lo;
        struct nfs4_stateowner *op;
 
        list_for_each_entry(op, &lock_ownerstr_hashtbl[hashval], so_strhash) {
-               if (same_owner_str(op, owner, clid))
-                       return lockowner(op);
+               lo = lockowner(op);
+               if (same_lockowner_ino(lo, inode, clid, owner))
+                       return lo;
        }
        return NULL;
 }