diff options
Diffstat (limited to 'funcs/func_groupcount.c')
| -rw-r--r-- | funcs/func_groupcount.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/funcs/func_groupcount.c b/funcs/func_groupcount.c index ed96e34b0..d804e0c1d 100644 --- a/funcs/func_groupcount.c +++ b/funcs/func_groupcount.c @@ -157,6 +157,9 @@ static int group_list_function_read(struct ast_channel *chan, char *cmd, char tmp1[1024] = ""; char tmp2[1024] = ""; + if (!chan) + return -1; + headp = &chan->varshead; AST_LIST_TRAVERSE(headp, current, entries) { if (!strncmp(ast_var_name(current), GROUP_CATEGORY_PREFIX "_", strlen(GROUP_CATEGORY_PREFIX) + 1)) { |