diff options
| author | Andreas Schneider <asn@samba.org> | 2017-07-24 12:13:50 +0200 |
|---|---|---|
| committer | Andreas Schneider <asn@cryptomilk.org> | 2017-07-24 14:50:11 +0200 |
| commit | 314cf608932c21d593afd04769b07435bcd4fc53 (patch) | |
| tree | 3eaefe77fe4ef956999d1840f084225ea6b28119 /source4/dsdb/kcc | |
| parent | 9d4a9bd3cc6d5031b4cb6120be8d261350a8bdfc (diff) | |
| download | samba-314cf608932c21d593afd04769b07435bcd4fc53.tar.gz | |
s4:kcc: Add a NULL check before qsort()
This fixes building with GCC 7.1.1
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12930
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Diffstat (limited to 'source4/dsdb/kcc')
| -rw-r--r-- | source4/dsdb/kcc/kcc_topology.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/source4/dsdb/kcc/kcc_topology.c b/source4/dsdb/kcc/kcc_topology.c index cd4dcc55495..0e136ed7936 100644 --- a/source4/dsdb/kcc/kcc_topology.c +++ b/source4/dsdb/kcc/kcc_topology.c @@ -2445,6 +2445,10 @@ static NTSTATUS kcctpl_kruskal(TALLOC_CTX *mem_ctx, struct kcctpl_graph *graph, uint32_t i, num_expected_tree_edges, cst_edges; struct kcctpl_multi_edge_list output_edges; + if (internal_edges.data == NULL || internal_edges.count == 0) { + return NT_STATUS_INVALID_PARAMETER; + } + num_expected_tree_edges = 0; for (i = 0; i < graph->vertices.count; i++) { struct kcctpl_vertex *vertex = &graph->vertices.data[i]; |