diff --git a/lib/libpfctl/libpfctl.c b/lib/libpfctl/libpfctl.c --- a/lib/libpfctl/libpfctl.c +++ b/lib/libpfctl/libpfctl.c @@ -731,9 +731,10 @@ pfctl_get_states(int dev, struct pfctl_states *states) { struct pfioc_nv nv; - nvlist_t *nvl; + nvlist_t *nvl = NULL; const nvlist_t * const *slist; size_t found_count; + int error = 0; bzero(states, sizeof(*states)); TAILQ_INIT(&states->states); @@ -744,14 +745,14 @@ for (;;) { if (ioctl(dev, DIOCGETSTATESNV, &nv)) { - free(nv.data); - return (errno); + error = errno; + goto out; } nvl = nvlist_unpack(nv.data, nv.len, 0); if (nvl == NULL) { - free(nv.data); - return (EIO); + error = EIO; + goto out; } states->count = nvlist_get_number(nvl, "count"); @@ -776,8 +777,10 @@ nv.data = realloc(nv.data, new_size); nv.size = new_size; - if (nv.data == NULL) - return (ENOMEM); + if (nv.data == NULL) { + error = ENOMEM; + goto out; + } continue; } @@ -785,9 +788,8 @@ struct pfctl_state *s = malloc(sizeof(*s)); if (s == NULL) { pfctl_free_states(states); - nvlist_destroy(nvl); - free(nv.data); - return (ENOMEM); + error = ENOMEM; + goto out; } pf_nvstate_to_state(slist[i], s); @@ -796,7 +798,11 @@ break; } - return (0); +out: + nvlist_destroy(nvl); + free(nv.data); + + return (error); } void