isimodem: fix crash in gprs

There was a crash if gprs was removed while creating context.

diff --git a/drivers/isimodem/gprs.c b/drivers/isimodem/gprs.c
index 987fcb4..ea90704 100644 (file)
--- a/drivers/isimodem/gprs.c
+++ b/drivers/isimodem/gprs.c
@@ -199,6 +199,9 @@ static void info_pp_read_resp_cb(const GIsiMessage *msg, void *opaque)
        uint8_t count = GPDS_MAX_CONTEXT_COUNT;
        GIsiSubBlockIter iter;
 
+       if (g_isi_msg_error(msg) == -ESHUTDOWN)
+               return;
+
        if (g_isi_msg_error(msg) < 0)
                goto out;