idtree: Fix comparison is always false warning

[ccan] / ccan / idtree / idtree.c

diff --git a/ccan/idtree/idtree.c b/ccan/idtree/idtree.c
index e8873926a79c07a21b7b843f06b3b4cfaa7078c9..48add6a8ac4fa917751ac92a06709a730b9e0ba6 100644 (file)
--- a/ccan/idtree/idtree.c
+++ b/ccan/idtree/idtree.c
@@ -100,7 +100,8 @@ static int sub_alloc(struct idtree *idp, const void *ptr, int *starting_id)
        int n, m, sh;
        struct idtree_layer *p, *pn;
        struct idtree_layer *pa[MAX_LEVEL+1];
-       unsigned int l, id, oid;
+       unsigned int l;
+       int id, oid;
        uint32_t bm;
 
        memset(pa, 0, sizeof(pa));