From e70cc01c34a4a3faded4bbdd50b9b716bd2ca94c Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 11 Sep 2011 21:50:28 +0200 Subject: [PATCH] fix a null pointer deref bug --- proto-shell.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/proto-shell.c b/proto-shell.c index bb42c98..7acb4c6 100644 --- a/proto-shell.c +++ b/proto-shell.c @@ -137,7 +137,8 @@ proto_shell_teardown_cb(struct uloop_process *p, int ret) state = container_of(p, struct proto_shell_state, teardown_task); state->proto.proto_event(&state->proto, IFPEV_DOWN); - device_remove_user(&state->l3_dev); + if (state->l3_dev.dev) + device_remove_user(&state->l3_dev); } static void -- 2.25.1