1 files changed, 2 insertions, 1 deletions

diff --git a/fs/lockd/svcshare.c b/fs/lockd/svcshare.c
index 068886de4dda..b0ae07008700 100644
--- a/fs/lockd/svcshare.c
+++ b/fs/lockd/svcshare.c
@@ -71,7 +71,8 @@ nlmsvc_unshare_file(struct nlm_host *host, struct nlm_file *file,
         struct nlm_share        *share, **shpp;
         struct xdr_netobj       *oh = &argp->lock.oh;
 
-        for (shpp = &file->f_shares; (share = *shpp) != 0; shpp = &share->s_next) {
+        for (shpp = &file->f_shares; (share = *shpp) != NULL;
+                                        shpp = &share->s_next) {
                 if (share->s_host == host && nlm_cmp_owner(share, oh)) {
                         *shpp = share->s_next;
                         kfree(share);