From 335c550fab46143a20f30f92b8c74d84c5eb0de8 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Sat, 30 Jan 2021 11:36:20 +0100 Subject: ns2: Use proper return value from write_queue callback function write_queue expects a -errno value on error, not '-1'. Change-Id: I93c858facfe7e1c533df8dccc4502a574686bc8a Related: OS#4995 --- src/gb/gprs_ns2_fr.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/gb/gprs_ns2_fr.c b/src/gb/gprs_ns2_fr.c index 1c88db63..f73033b4 100644 --- a/src/gb/gprs_ns2_fr.c +++ b/src/gb/gprs_ns2_fr.c @@ -247,7 +247,12 @@ static int fr_dlci_rx_cb(void *cb_data, struct msgb *msg) static int handle_netif_write(struct osmo_fd *ofd, struct msgb *msg) { - return write(ofd->fd, msgb_data(msg), msgb_length(msg)); + int rc = write(ofd->fd, msgb_data(msg), msgb_length(msg)); + /* write_queue expects a "-errno" type return value in case of failure */ + if (rc == -1) + return -errno; + else + return rc; } /*! determine if given bind is for FR-GRE encapsulation. */ -- cgit v1.2.3