Always check the return of [mc]alloc and fix a warning introduced by

r29479.

This fixes some issues reported awhile ago in the openib btl. There
are a couple more unchecked mallocs but they are a bit more difficult
to fix since they are in void functions (btl_openib_endpoint.c).

Refs trac:2401.

cmr=v1.7.4:reviewer=miked

This commit was SVN r29543.

The following SVN revision numbers were found above:
  r29479 --> open-mpi/ompi@d6ead2a3a5

The following Trac tickets were found above:
  Ticket 2401 --> https://svn.open-mpi.org/trac/ompi/ticket/2401

ompi/mca/btl/openib/btl_openib.h

@@ -316,7 +316,7 @@ struct mca_btl_openib_component_t {
     bool cuda_async_recv;
 #endif /* OMPI_CUDA_SUPPORT */
 #if HAVE_DECL_IBV_LINK_LAYER_ETHERNET
-    int rroce_enable;
+    bool rroce_enable;
 #endif
 }; typedef struct mca_btl_openib_component_t mca_btl_openib_component_t;
 

ompi/mca/btl/openib/btl_openib_component.c

@@ -1110,6 +1110,17 @@ static int prepare_device_for_use(mca_btl_openib_device_t *device)
     }
 
     init_data = (mca_btl_openib_frag_init_data_t *) malloc(sizeof(mca_btl_openib_frag_init_data_t));
+    if (NULL == init_data) {
+        if (mca_btl_openib_component.max_eager_rdma > 0 &&
+            device->use_eager_rdma) {
+            /* cleanup */
+            free (device->eager_rdma_buffers);
+            device->eager_rdma_buffers = NULL;
+        }
+        BTL_ERROR(("Memory allocation fails"));
+        return OMPI_ERR_OUT_OF_RESOURCE;
+    }
+
     length = sizeof(mca_btl_openib_header_t) +
         sizeof(mca_btl_openib_footer_t) +
         sizeof(mca_btl_openib_eager_rdma_header_t);
@@ -1141,6 +1152,11 @@ static int prepare_device_for_use(mca_btl_openib_device_t *device)
     /* setup all the qps */
     for(qp = 0; qp < mca_btl_openib_component.num_qps; qp++) {
         init_data = (mca_btl_openib_frag_init_data_t *) malloc(sizeof(mca_btl_openib_frag_init_data_t));
+        if (NULL == init_data) {
+            BTL_ERROR(("Memory allocation fails"));
+            return OMPI_ERR_OUT_OF_RESOURCE;
+        }
+
         /* Initialize pool of send fragments */
         length = sizeof(mca_btl_openib_header_t) +
             sizeof(mca_btl_openib_header_coalesced_t) +
@@ -1451,6 +1467,10 @@ static int setup_qps(void)
     mca_btl_openib_component.qp_infos = (mca_btl_openib_qp_info_t*)
         malloc(sizeof(mca_btl_openib_qp_info_t) *
                 mca_btl_openib_component.num_qps);
+    if (NULL == mca_btl_openib_component.qp_infos) {
+        ret = OMPI_ERR_OUT_OF_RESOURCE;
+        goto error;
+    }
 
     qp = 0;
 #define P(N) (((N) > count) ? NULL : params[(N)])
@@ -1669,6 +1689,11 @@ static int init_one_device(opal_list_t *btl_list, struct ibv_device* ib_dev)
     }
     /* If mca_btl_if_include/exclude were specified, get usable ports */
     allowed_ports = (int*)malloc(device->ib_dev_attr.phys_port_cnt * sizeof(int));
+    if (NULL == allowed_ports) {
+        ret = OMPI_ERR_OUT_OF_RESOURCE;
+        goto error;
+    }
+
     port_cnt = get_port_list(device, allowed_ports);
     if (0 == port_cnt) {
         free(allowed_ports);
@@ -2245,6 +2270,9 @@ static int finish_btl_init(mca_btl_openib_module_t *openib_btl)
     openib_btl->qps = (mca_btl_openib_module_qp_t*)
         calloc(mca_btl_openib_component.num_qps,
                 sizeof(mca_btl_openib_module_qp_t));
+    if (NULL == openib_btl->qps) {
+        return OMPI_ERR_OUT_OF_RESOURCE;
+    }
 
     /* setup all the qps */
     for (qp = 0; qp < mca_btl_openib_component.num_qps; qp++) {
@@ -2431,6 +2459,9 @@ sort_devs_by_distance(struct ibv_device **ib_devs, int count)
 {
     int i;
     struct dev_distance *devs = (struct dev_distance *) malloc(count * sizeof(struct dev_distance));
+    if (NULL == devs) {
+        return NULL;
+    }
 
     for (i = 0; i < count; i++) {
         devs[i].ib_dev = ib_devs[i];
@@ -2581,6 +2612,10 @@ btl_openib_component_init(int *num_btl_modules,
     OBJ_CONSTRUCT(&mca_btl_openib_component.recv_user_free, ompi_free_list_t);
 
     init_data = (mca_btl_openib_frag_init_data_t *) malloc(sizeof(mca_btl_openib_frag_init_data_t));
+    if (NULL == init_data) {
+        BTL_ERROR(("Failed malloc: %s:%d", __FILE__, __LINE__));
+        goto no_btls;
+    }
 
     init_data->order = mca_btl_openib_component.rdma_qp;
     init_data->list = &mca_btl_openib_component.send_user_free;
@@ -2602,6 +2637,10 @@ btl_openib_component_init(int *num_btl_modules,
     }
 
     init_data = (mca_btl_openib_frag_init_data_t *) malloc(sizeof(mca_btl_openib_frag_init_data_t));
+    if (NULL == init_data) {
+        BTL_ERROR(("Failed malloc: %s:%d", __FILE__, __LINE__));
+        goto no_btls;
+    }
 
     init_data->order = mca_btl_openib_component.rdma_qp;
     init_data->list = &mca_btl_openib_component.recv_user_free;
@@ -2619,6 +2658,10 @@ btl_openib_component_init(int *num_btl_modules,
     }
 
     init_data = (mca_btl_openib_frag_init_data_t *) malloc(sizeof(mca_btl_openib_frag_init_data_t));
+    if (NULL == init_data) {
+        BTL_ERROR(("Failed malloc: %s:%d", __FILE__, __LINE__));
+        goto no_btls;
+    }
     length = sizeof(mca_btl_openib_coalesced_frag_t);
 
     init_data->list = &mca_btl_openib_component.send_free_coalesced;
@@ -2698,6 +2741,10 @@ btl_openib_component_init(int *num_btl_modules,
     }
 
     dev_sorted = sort_devs_by_distance(ib_devs, num_devs);
+    if (NULL == dev_sorted) {
+        BTL_ERROR(("Failed malloc: %s:%d", __FILE__, __LINE__));
+        goto no_btls;
+    }
 
     OBJ_CONSTRUCT(&btl_list, opal_list_t);
     OBJ_CONSTRUCT(&mca_btl_openib_component.ib_lock, opal_mutex_t);
@@ -2886,6 +2933,11 @@ btl_openib_component_init(int *num_btl_modules,
             device->qps = (mca_btl_openib_device_qp_t*)
                 calloc(mca_btl_openib_component.num_qps,
                        sizeof(mca_btl_openib_device_qp_t));
+            if (NULL == device->qps) {
+                BTL_ERROR(("Failed malloc: %s:%d", __FILE__, __LINE__));
+                goto no_btls;
+            }
+
             for (qp_index = 0; qp_index < mca_btl_openib_component.num_qps; qp_index++) {
                 OBJ_CONSTRUCT(&device->qps[qp_index].send_free, ompi_free_list_t);
                 OBJ_CONSTRUCT(&device->qps[qp_index].recv_free, ompi_free_list_t);

ompi/mca/btl/openib/connect/btl_openib_connect_base.c

@@ -1,7 +1,8 @@
+/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
 /*
  * Copyright (c) 2007-2013 Cisco Systems, Inc.  All rights reserved.
- * Copyright (c) 2007 Mellanox Technologies, Inc.  All rights reserved.
+ * Copyright (c) 2007      Mellanox Technologies, Inc.  All rights reserved.
- * Copyright (c) 2012      Los Alamos National Security, LLC.  All rights
+ * Copyright (c) 2012-2013 Los Alamos National Security, LLC.  All rights
  *                         reserved. 
  * Copyright (c) 2013      Intel, Inc. All rights reserved
  *
@@ -114,6 +115,9 @@ int ompi_btl_openib_connect_base_register(void)
     /* Parse the if_[in|ex]clude paramters to come up with a list of
        CPCs that are available */
     available = (ompi_btl_openib_connect_base_component_t **) calloc(1, sizeof(all));
+    if (NULL == available) {
+        return OMPI_ERR_OUT_OF_RESOURCE;
+    }
 
     /* If we have an "include" list, then find all those CPCs and put
        them in available[] */