udp: Convey transmit path errors to the caller.

The transport layer's functional interface foresees having error codes
percolate back up to the caller.  However, up until now, the udp module
simply returned -1 for any error.  This patch lets the code return the
specific error instead.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
master
Richard Cochran 2020-04-30 06:08:45 -07:00
parent 306ac67460
commit d4fbb0701d
1 changed files with 1 additions and 1 deletions

2
udp.c
View File

@ -256,7 +256,7 @@ static int udp_send(struct transport *t, struct fdarray *fda,
cnt = sendto(fd, buf, len, 0, &addr->sa, sizeof(addr->sin)); cnt = sendto(fd, buf, len, 0, &addr->sa, sizeof(addr->sin));
if (cnt < 1) { if (cnt < 1) {
pr_err("sendto failed: %m"); pr_err("sendto failed: %m");
return cnt; return -errno;
} }
/* /*
* Get the time stamp right away. * Get the time stamp right away.