From: Vladimir Koushnir <vladimirk@xxxxxxxxxxxx>
Date: Tue, 14 Apr 2015 18:14:48 +0300
Additional file descriptor for SMP MADs should be closed before running
ibnd_discover_fabric() to avoid parallel usage of two SMP file descriptors
Signed-off-by: Vladimir Koushnir <vladimirk@xxxxxxxxxxxx>
Signed-off-by: Hal Rosenstock <hal@xxxxxxxxxxxx>
---
src/iblinkinfo.c | 16 ++++++++++------
1 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/src/iblinkinfo.c b/src/iblinkinfo.c
index 92ff3c6..9dcf698 100644
--- a/src/iblinkinfo.c
+++ b/src/iblinkinfo.c
@@ -594,6 +594,7 @@ int main(int argc, char **argv)
ibnd_fabric_t *diff_fabric = NULL;
struct ibmad_port *ibmad_port;
ib_portid_t port_id = { 0 };
+ uint8_t ni[IB_SMP_DATA_SIZE] = { 0 };
int mgmt_classes[3] =
{ IB_SMI_CLASS, IB_SMI_DIRECT_CLASS, IB_SA_CLASS };
@@ -653,12 +654,20 @@ int main(int argc, char **argv)
config.timeout_ms = ibd_timeout;
}
+ if (!smp_query_via(ni, &port_id, IB_ATTR_NODE_INFO, 0,
+ ibd_timeout, ibmad_port)){
+ mad_rpc_close_port(ibmad_port);
+ fprintf(stderr,
+ "Failed to get local Node Info\n");
+ exit(1);
+ }
config.flags = ibd_ibnetdisc_flags;
config.mkey = ibd_mkey;
node_name_map = open_node_name_map(node_name_map_file);
if (dr_path && load_cache_file) {
+ mad_rpc_close_port(ibmad_port);
fprintf(stderr, "Cannot specify cache and direct route path\n");
exit(1);
}
@@ -678,6 +687,7 @@ int main(int argc, char **argv)
IBWARN("Failed to resolve %s; attempting full scan\n",
guid_str);
}
+ mad_rpc_close_port(ibmad_port);
if (diff_cache_file &&
!(diff_fabric = ibnd_load_fabric(diff_cache_file, 0)))
@@ -723,11 +733,6 @@ int main(int argc, char **argv)
fprintf(stderr, "Failed to find port: %s\n", guid_str);
} else if (!all && dr_path) {
ibnd_port_t *p = NULL;
- uint8_t ni[IB_SMP_DATA_SIZE] = { 0 };
-
- if (!smp_query_via(ni, &port_id, IB_ATTR_NODE_INFO, 0,
- ibd_timeout, ibmad_port))
- return -1;
mad_decode_field(ni, IB_NODE_PORT_GUID_F, &(guid));
p = ibnd_find_port_guid(fabric, guid);
@@ -758,6 +763,5 @@ int main(int argc, char **argv)
close_port:
close_node_name_map(node_name_map);
- mad_rpc_close_port(ibmad_port);
exit(rc);
}
--
1.7.8.2
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
