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net/tcp: fix missing error code propagation

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If devif_send() failed its returned error code was not propagated
to user space. Instead, a send length of zero was returned (in
violation of POSIX).
This commit is contained in:
Kian Karas
2024-05-05 17:36:25 +02:00
committed by Alan Carvalho de Assis
parent 324446bbba
commit 46a8c665d7
1 changed files with 2 additions and 0 deletions
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net/tcp/tcp_send_unbuffered.c
+2
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@@ -288,6 +288,7 @@ static uint16_t tcpsend_eventhandler(FAR struct net_driver_s *dev,
sndlen, tcpip_hdrsize(conn)); sndlen, tcpip_hdrsize(conn));
if (ret <= 0) if (ret <= 0)
{ {
pstate->snd_sent = ret;
goto end_wait; goto end_wait;
} }
@@ -374,6 +375,7 @@ static uint16_t tcpsend_eventhandler(FAR struct net_driver_s *dev,
sndlen, tcpip_hdrsize(conn)); sndlen, tcpip_hdrsize(conn));
if (ret <= 0) if (ret <= 0)
{ {
pstate->snd_sent = ret;
goto end_wait; goto end_wait;
} }