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| author | Aleksander Morgado <aleksander@aleksander.es> | 2021-05-12 22:11:50 +0200 |
|---|---|---|
| committer | Aleksander Morgado <aleksander@aleksander.es> | 2021-05-12 22:12:46 +0200 |
| commit | bb928dbf7409b445e6aaab994c571fb7d504a8d7 (patch) | |
| tree | 6ee4f8952330b46243ad4c594002f116eae4319a /src | |
| parent | f916d075a78ddacd25e2db9c4eebb99b490482ff (diff) | |
iface-modem: fix segfault if attempting to switch slot and slots unsupported
Reported and fix suggested by Maxim Anisimov
Fixes https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/issues/368
Diffstat (limited to 'src')
| -rw-r--r-- | src/mm-iface-modem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mm-iface-modem.c b/src/mm-iface-modem.c index 2068dda9..245abe4c 100644 --- a/src/mm-iface-modem.c +++ b/src/mm-iface-modem.c @@ -1126,7 +1126,7 @@ handle_set_primary_sim_slot_auth_ready (MMBaseModem *self, /* Validate SIM slot number */ sim_slot_paths = mm_gdbus_modem_get_sim_slots (ctx->skeleton); - if (ctx->requested_sim_slot > g_strv_length ((gchar **)sim_slot_paths)) { + if (!sim_slot_paths || (ctx->requested_sim_slot > g_strv_length ((gchar **)sim_slot_paths))) { g_dbus_method_invocation_return_error (ctx->invocation, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS, |