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udp: Convey transmit path errors to the caller.

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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>
This commit is contained in:
Richard Cochran 2020-04-30 06:08:45 -07:00
parent 306ac67460
commit d4fbb0701d
1 changed files with 1 additions and 1 deletions
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udp.c
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@ -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.