doveadm user: Don't crash if multiple mask parameters are given with at least one...

diff --git a/src/doveadm/doveadm-auth.c b/src/doveadm/doveadm-auth.c
index a7d79c2cdb0a486a526f0ea0efb9d3af00eaedd2..b58db9839be080fc2322de01fe905bc43b3bcdf6 100644 (file)
--- a/src/doveadm/doveadm-auth.c
+++ b/src/doveadm/doveadm-auth.c
@@ -201,7 +201,7 @@ cmd_user_list(struct auth_master_connection *conn,
              char *const *users)
 {
        struct auth_master_user_list_ctx *ctx;
-       const char *username, *user_mask = NULL;
+       const char *username, *user_mask = "*";
        unsigned int i;
 
        if (users[0] != NULL && users[1] == NULL)