net: context: Return -ENOBUFS to caller if we run out of bufs

jukkar · nashif · commit 037037cdaae8 · 2020-09-18T22:07:53.000-04:00
The socket layer expects to receive -ENOBUFS if we do not have
any network buffers so cannot build a network message to be sent.

Signed-off-by: Jukka Rissanen &lt;jukka.rissanen@linux.intel.com&gt;
diff --git a/subsys/net/ip/net_context.c b/subsys/net/ip/net_context.c
@@ -1530,7 +1530,7 @@ static int context_sendto(struct net_context *context,
 
 	pkt = context_alloc_pkt(context, len, PKT_WAIT_TIME);
 	if (!pkt) {
-		return -ENOMEM;
+		return -ENOBUFS;
 	}
 
 	tmp_len = net_pkt_available_payload_buffer(

Original file line number	Diff line number	Diff line change
`@@ -1530,7 +1530,7 @@ static int context_sendto(struct net_context *context,`
`1530`	`1530`
`1531`	`1531`	`pkt = context_alloc_pkt(context, len, PKT_WAIT_TIME);`
`1532`	`1532`	`if (!pkt) {`
`1533`		`- return -ENOMEM;`
	`1533`	`+ return -ENOBUFS;`
`1534`	`1534`	`}`
`1535`	`1535`
`1536`	`1536`	`tmp_len = net_pkt_available_payload_buffer(`