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| author | Russ White <russ@riw.us> | 2020-06-09 08:00:00 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-06-09 08:00:00 -0400 |
| commit | 58ef49eb43fd512aad2883f89a218c44b8c4771a (patch) | |
| tree | bf8fd99751e1d26e1df8ec058c62fad473877555 /lib/routemap.c | |
| parent | e5f51bc5799233b517980f8f00aaa295cf9b254e (diff) | |
| parent | c415a4dcd4f5651ed3e2668f5f88e7d8cbe55fb6 (diff) | |
Merge pull request #6529 from ton31337/fix/refcnt_check_for_dep_data_route-map
lib: Make sure route_map_dep_data is not NULL before decrementing refcount
Diffstat (limited to 'lib/routemap.c')
| -rw-r--r-- | lib/routemap.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/routemap.c b/lib/routemap.c index 210512212d..3d69a3495a 100644 --- a/lib/routemap.c +++ b/lib/routemap.c @@ -2747,7 +2747,12 @@ static int route_map_dep_update(struct hash *dephash, const char *dep_name, memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); tmp_dep_data.rname = rname; dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); - dep_data->refcnt--; + + if (!dep_data) + goto out; + + if (dep_data->refcnt) + dep_data->refcnt--; if (!dep_data->refcnt) { ret_dep_data = hash_release(dep->dep_rmap_hash, |