Change in osmo-e1d[master]: Fix HDLC-FCS transmit side

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laforge gerrit-no-reply at lists.osmocom.org
Sun Jul 12 21:50:35 UTC 2020


laforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-e1d/+/19233 )

Change subject: Fix HDLC-FCS transmit side
......................................................................

Fix HDLC-FCS transmit side

If we are not able to read more packets from the user application,
the recv/read call will return 0 and set errno = EAGAIN.  In this
situation we cannot bail out but still ask the HDLC code to generate
output (sequences of flag octets).  If we fail to do that, we will
transmit all-ones pattern instaed of all-flag octets.

Change-Id: Id3bc76f1956138dcd9cb7b499f7251cd94af1329
---
M src/intf_line.c
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  Jenkins Builder: Verified
  laforge: Looks good to me, approved



diff --git a/src/intf_line.c b/src/intf_line.c
index 5994805..4c9c404 100644
--- a/src/intf_line.c
+++ b/src/intf_line.c
@@ -194,7 +194,7 @@
 					rv, osmo_hexdump(ts->tx_buf, rv));
 				ts->tx_len = rv; 
 				ts->tx_ofs = 0;
-			} else if (rv < 0)
+			} else if (rv < 0 && errno != EAGAIN)
 				return rv;
 		}
 

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Gerrit-Project: osmo-e1d
Gerrit-Branch: master
Gerrit-Change-Id: Id3bc76f1956138dcd9cb7b499f7251cd94af1329
Gerrit-Change-Number: 19233
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-MessageType: merged
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