NFSv4: Fix warning for using 0 as NULL

Fixes the following sparse warning:

fs/nfs/nfs4state.c:862:60: warning: Using plain integer as NULL pointer

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index daeb94e3acd49bd6553601bd15adb8f72236825b..8156bad6b441095199878a900e35594863cad571 100644 (file)
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -868,7 +868,7 @@ static struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_
        
        for(;;) {
                spin_lock(&state->state_lock);
-               lsp = __nfs4_find_lock_state(state, owner, 0);
+               lsp = __nfs4_find_lock_state(state, owner, NULL);
                if (lsp != NULL)
                        break;
                if (new != NULL) {