diff options
Diffstat (limited to 'networking/ifupdown.c')
| -rw-r--r-- | networking/ifupdown.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/networking/ifupdown.c b/networking/ifupdown.c index ede2f89..f72e653 100644 --- a/networking/ifupdown.c +++ b/networking/ifupdown.c @@ -598,6 +598,9 @@ static const struct address_family_t *get_address_family(const struct address_fa { int i; + if (!name) + return NULL; + for (i = 0; af[i]; i++) { if (strcmp(af[i]->name, name) == 0) { return af[i]; @@ -610,6 +613,9 @@ static const struct method_t *get_method(const struct address_family_t *af, char { int i; + if (!name) + return NULL; + for (i = 0; i < af->n_methods; i++) { if (strcmp(af->method[i].name, name) == 0) { return &af->method[i]; @@ -620,6 +626,9 @@ static const struct method_t *get_method(const struct address_family_t *af, char static const llist_t *find_list_string(const llist_t *list, const char *string) { + if (string == NULL) + return NULL; + while (list) { if (strcmp(list->data, string) == 0) { return list; |