[PATCH 2/4] libibmad/gs.c: In pma_query_via/performance_reset_via, set errno

[Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>]

according to rpc error field

Signed-off-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
diff --git a/src/gs.c b/src/gs.c
index 3cb2b25..78b8615 100644
--- a/src/gs.c
+++ b/src/gs.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2004-2009 Voltaire Inc.  All rights reserved.
+ * Copyright (c) 2011 Mellanox Technologies LTD.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
@@ -38,6 +39,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <errno.h>
 
 #include <infiniband/umad.h>
 #include <infiniband/mad.h>
@@ -51,6 +53,7 @@ uint8_t *pma_query_via(void *rcvbuf, ib_portid_t * dest, int port,
 {
 	ib_rpc_t rpc = { 0 };
 	int lid = dest->lid;
+	void *p_ret;
 
 	DEBUG("lid %u port %d", lid, port);
 
@@ -75,7 +78,9 @@ uint8_t *pma_query_via(void *rcvbuf, ib_portid_t * dest, int port,
 	if (!dest->qkey)
 		dest->qkey = IB_DEFAULT_QP1_QKEY;
 
-	return mad_rpc(srcport, &rpc, dest, rcvbuf, rcvbuf);
+	p_ret = mad_rpc(srcport, &rpc, dest, rcvbuf, rcvbuf);
+	errno = rpc.error;
+	return p_ret;
 }
 
 uint8_t *performance_reset_via(void *rcvbuf, ib_portid_t * dest,
@@ -84,6 +89,7 @@ uint8_t *performance_reset_via(void *rcvbuf, ib_portid_t * dest,
 {
 	ib_rpc_t rpc = { 0 };
 	int lid = dest->lid;
+	void *p_ret;
 
 	DEBUG("lid %u port %d mask 0x%x", lid, port, mask);
 
@@ -115,5 +121,7 @@ uint8_t *performance_reset_via(void *rcvbuf, ib_portid_t * dest,
 	if (!dest->qkey)
 		dest->qkey = IB_DEFAULT_QP1_QKEY;
 
-	return mad_rpc(srcport, &rpc, dest, rcvbuf, rcvbuf);
+	p_ret = mad_rpc(srcport, &rpc, dest, rcvbuf, rcvbuf);
+	errno = rpc.error;
+	return p_ret;
 }
--
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