diff options
Diffstat (limited to 'gisi')
| -rw-r--r-- | gisi/modem.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gisi/modem.c b/gisi/modem.c index 3a0886bb..8c9eb1dd 100644 --- a/gisi/modem.c +++ b/gisi/modem.c @@ -502,14 +502,22 @@ GIsiModem *g_isi_modem_create_by_name(const char *name) void *g_isi_modem_set_userdata(GIsiModem *modem, void *data) { - void *old = modem->opaque; + void *old; + if (modem == NULL) + return NULL; + + old = modem->opaque; modem->opaque = data; + return old; } void *g_isi_modem_get_userdata(GIsiModem *modem) { + if (modem == NULL) + return NULL; + return modem->opaque; } |