ipacm: Fix to ignore ENOMSG error from nfct_catch

ENOMSG is returned when the conntrack message received
has a non zero pid value. Idea is to handle only messages
coming from Kernel which has 0 pid value.

Change-Id: Ib1934c82595b980016e98646f34797f9001c51ab

1 files changed, 11 insertions, 5 deletions

diff --git a/ipacm/src/IPACM_ConntrackClient.cpp b/ipacm/src/IPACM_ConntrackClient.cpp
index 24f95a3..dabd8e6 100644
--- a/ipacm/src/IPACM_ConntrackClient.cpp
+++ b/ipacm/src/IPACM_ConntrackClient.cpp
@@ -493,12 +493,18 @@ void* IPACM_ConntrackClient::TCPRegisterWithConnTrack(void *)
 			 blocks waiting for events. */
 	IPACMDBG("Waiting for events\n");
 
+ctcatch:
 	ret = nfct_catch(pClient->tcp_hdl);
-	if(ret == -1)
+	if((ret == -1) && (errno != ENOMSG))
 	{
-		IPACMERR("(%d)(%s)\n", ret, strerror(errno));
+		IPACMERR("(%d)(%d)(%s)\n", ret, errno, strerror(errno));
 		return NULL;
 	}
+	else
+	{
+		IPACMDBG("ctcatch ret:%d, errno:%d\n", ret, errno);
+		goto ctcatch;
+	}
 
 	IPACMDBG("Exit from tcp thread\n");
 
@@ -579,14 +585,14 @@ void* IPACM_ConntrackClient::UDPRegisterWithConnTrack(void *)
 	/* Block to catch events from net filter connection track */
 ctcatch:
 	ret = nfct_catch(pClient->udp_hdl);
-	if(ret == -1)
+	if((ret == -1) && (errno != ENOMSG))
 	{
-		IPACMDBG("(%d)(%s)\n", ret, strerror(errno));
+		IPACMDBG("(%d)(%d)(%s)\n", ret, errno, strerror(errno));
 		return NULL;
 	}
 	else
 	{
-		IPACMDBG("ctcatch ret:%d\n", ret);
+		IPACMDBG("ctcatch ret:%d, errno:%d\n", ret, errno);
 		goto ctcatch;
 	}