Merge pull request #2584 from rhc54/topic/warnings

Reduce the flood of warnings due to uninitialized variables, mismatch…

Author: rhc54

ompi/mca/bcol/basesmuma/bcol_basesmuma_smcm.c

@@ -5,7 +5,7 @@
  * Copyright (c) 2009-2012 Mellanox Technologies.  All rights reserved.
  * Copyright (c) 2012-2016 Los Alamos National Security, LLC. All rights
  *                         reserved.
- * Copyright (c) 2014      Intel, Inc.  All rights reserved.
+ * Copyright (c) 2014-2016 Intel, Inc.  All rights reserved.
  * Copyright (c) 2014-2015 Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
  * $COPYRIGHT$
@@ -444,7 +444,7 @@ static bcol_basesmuma_smcm_mmap_t * bcol_basesmuma_smcm_reg_mmap(void *in_ptr, i
         /* is addr past the end of the file? */
         if ((unsigned char *) seg+length < myaddr) {
             opal_output (ompi_bcol_base_framework.framework_output, "mca_bcol_basesmuma_sm_alloc_mmap: memory region too small len %lu add %p",
-                        (unsigned long) length, myaddr);
+                        (unsigned long) length, (void*)myaddr);
             OBJ_RELEASE(map);
             munmap ((void *)seg, length);
             return NULL;

ompi/mca/coll/tuned/coll_tuned_module.c

@@ -10,6 +10,7 @@
  * Copyright (c) 2004-2005 The Regents of the University of California.
  *                         All rights reserved.
  * Copyright (c) 2008      Sun Microsystems, Inc.  All rights reserved.
+ * Copyright (c) 2016      Intel, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -120,7 +121,7 @@ ompi_coll_tuned_forced_getvalues( enum COLLTYPE type,
                                   coll_tuned_force_algorithm_params_t *forced_values )
 {
     coll_tuned_force_algorithm_mca_param_indices_t* mca_params;
-    const int *tmp;
+    const int *tmp = NULL;
 
     mca_params = &(ompi_coll_tuned_forced_params[type]);
 

ompi/mca/osc/rdma/osc_rdma.h

@@ -12,6 +12,7 @@
  *                         reserved.
  * Copyright (c) 2010      Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2012-2013 Sandia National Laboratories.  All rights reserved.
+ * Copyright (c) 2016      Intel, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -325,7 +326,7 @@ static inline int _ompi_osc_rdma_register (ompi_osc_rdma_module_t *module, struc
 {
     if (module->selected_btl->btl_register_mem) {
         OSC_RDMA_VERBOSE(MCA_BASE_VERBOSE_INFO, "registering segment with btl. range: %p - %p (%lu bytes)",
-                         ptr, (char *) ptr + size, size);
+                         ptr, (void*)((char *) ptr + size), size);
 
         *handle = module->selected_btl->btl_register_mem (module->selected_btl, endpoint, ptr, size, flags);
         if (OPAL_UNLIKELY(NULL == *handle)) {

ompi/mca/osc/rdma/osc_rdma_accumulate.c

@@ -4,6 +4,7 @@
  *                         reserved.
  * Copyright (c) 2016      Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
+ * Copyright (c) 2016      Intel, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -237,7 +238,7 @@ static inline int ompi_osc_rdma_gacc_contig (ompi_osc_rdma_sync_t *sync, const v
         target_address = target_address & ~btl_alignment_mask;
 
         OSC_RDMA_VERBOSE(MCA_BASE_VERBOSE_TRACE, "initiating btl get. local: %p (handle %p), remote: 0x%" PRIx64
-                         " (handle %p)", ptr, (void *) frag->handle, target_address, (void *) target_handle);
+                         " (handle %p)", (void*)ptr, (void *) frag->handle, target_address, (void *) target_handle);
 
         ret = module->selected_btl->btl_get (module->selected_btl, peer->data_endpoint, ptr,
                                              target_address, frag->handle, target_handle, aligned_len,
@@ -248,7 +249,7 @@ static inline int ompi_osc_rdma_gacc_contig (ompi_osc_rdma_sync_t *sync, const v
         memcpy (ptr, source, len);
 
         OSC_RDMA_VERBOSE(MCA_BASE_VERBOSE_TRACE, "initiating btl put. local: %p (handle %p), remote: 0x%" PRIx64
-                         " (handle %p)", ptr, (void *) frag->handle, target_address, (void *) target_handle);
+                         " (handle %p)", (void*)ptr, (void *) frag->handle, target_address, (void *) target_handle);
 
         ret = module->selected_btl->btl_put (module->selected_btl, peer->data_endpoint, ptr,
                                              target_address, frag->handle, target_handle, len, 0,

ompi/mca/osc/rdma/osc_rdma_comm.c

@@ -2,6 +2,7 @@
 /*
  * Copyright (c) 2014-2016 Los Alamos National Security, LLC.  All rights
  *                         reserved.
+ * Copyright (c) 2016      Intel, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -50,7 +51,7 @@ int ompi_osc_get_data_blocking (ompi_osc_rdma_module_t *module, struct mca_btl_b
         }
 
         local_handle = frag->handle;
-        OSC_RDMA_VERBOSE(MCA_BASE_VERBOSE_TRACE, "allocated temporary buffer %p in fragment %p", ptr,
+        OSC_RDMA_VERBOSE(MCA_BASE_VERBOSE_TRACE, "allocated temporary buffer %p in fragment %p", (void*)ptr,
                          (void *) frag);
     }
 
@@ -732,7 +733,7 @@ static int ompi_osc_rdma_get_contig (ompi_osc_rdma_sync_t *sync, ompi_osc_rdma_p
             }
         } else {
             OSC_RDMA_VERBOSE(MCA_BASE_VERBOSE_TRACE, "using internal buffer %p in fragment %p for get of size %lu bytes, source address 0x%lx",
-                             ptr, (void *) frag, (unsigned long) aligned_len, (unsigned long) aligned_source_base);
+                             (void*)ptr, (void *) frag, (unsigned long) aligned_len, (unsigned long) aligned_source_base);
             local_handle = frag->handle;
         }
     }

ompi/mpi/tool/cvar_read.c

@@ -3,6 +3,7 @@
  * Copyright (c) 2012-2013 Los Alamos National Security, LLC. All rights
  *                         reserved.
  * Copyright (c) 2014 Cisco Systems, Inc.  All rights reserved.
+ * Copyright (c) 2016      Intel, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -23,7 +24,7 @@
 
 int MPI_T_cvar_read (MPI_T_cvar_handle handle, void *buf)
 {
-    const mca_base_var_storage_t *value;
+    const mca_base_var_storage_t *value = NULL;
     int rc = MPI_SUCCESS;
 
     if (!mpit_is_initialized ()) {
@@ -38,7 +39,7 @@ int MPI_T_cvar_read (MPI_T_cvar_handle handle, void *buf)
 
     do {
         rc = mca_base_var_get_value(handle->var->mbv_index, &value, NULL, NULL);
-        if (OPAL_SUCCESS != rc) {
+        if (OPAL_SUCCESS != rc || NULL == value) {
             /* shouldn't happen */
             rc = MPI_ERR_OTHER;
             break;

ompi/runtime/ompi_mpi_preconnect.c

@@ -7,6 +7,7 @@
  * Copyright (c) 2006      Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2007      Los Alamos National Security, LLC.  All rights
  *                         reserved.
+ * Copyright (c) 2016      Intel, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -32,12 +33,12 @@ ompi_init_preconnect_mpi(void)
     int param, next, prev, i, ret = OMPI_SUCCESS;
     struct ompi_request_t * requests[2];
     char inbuf[1], outbuf[1];
-    const bool *value;
+    const bool *value = NULL;
 
     param = mca_base_var_find("ompi", "mpi", NULL, "preconnect_mpi");
     if (0 > param) return OMPI_SUCCESS;
     ret = mca_base_var_get_value(param, &value, NULL, NULL);
-    if (OMPI_SUCCESS != ret || 0 == value[0]) {
+    if (OMPI_SUCCESS != ret || (NULL != value && 0 == value[0])) {
         return OMPI_SUCCESS;
     }
 

opal/mca/hwloc/base/hwloc_base_frame.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2011-2014 Cisco Systems, Inc.  All rights reserved.
- * Copyright (c) 2013-2015 Intel, Inc. All rights reserved.
+ * Copyright (c) 2013-2016 Intel, Inc.  All rights reserved.
  * Copyright (c) 2016      Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
  * $COPYRIGHT$
@@ -313,8 +313,8 @@ static void buffer_cleanup(void *value)
         for (i=0; i < OPAL_HWLOC_PRINT_NUM_BUFS; i++) {
             free(ptr->buffers[i]);
         }
+        free(ptr);
     }
-    free(ptr);
 }
 
 opal_hwloc_print_buffers_t *opal_hwloc_get_print_buffer(void)

opal/mca/mpool/hugepage/mpool_hugepage_component.c

@@ -190,6 +190,7 @@ static int mca_mpool_hugepage_close (void)
     return OPAL_SUCCESS;
 }
 
+#ifdef HAVE_MNTENT_H
 static int page_compare (opal_list_item_t **a, opal_list_item_t **b) {
     mca_mpool_hugepage_hugepage_t *pagea = (mca_mpool_hugepage_hugepage_t *) *a;
     mca_mpool_hugepage_hugepage_t *pageb = (mca_mpool_hugepage_hugepage_t *) *b;
@@ -201,6 +202,7 @@ static int page_compare (opal_list_item_t **a, opal_list_item_t **b) {
 
     return 0;
 }
+#endif
 
 static void mca_mpool_hugepage_find_hugepages (void) {
 #ifdef HAVE_MNTENT_H

opal/mca/pmix/pmix2x/pmix/src/dstore/pmix_esh.c

@@ -2114,7 +2114,7 @@ static int pmix_sm_store(ns_track_elem_t *ns_info, pmix_rank_t rank, pmix_kval_t
                 }
             } else {
                 char ckey[PMIX_MAX_KEYLEN+1] = {0};
-                strncpy(ckey, (const char *)addr, strlen(addr)+1);
+                strncpy(ckey, (const char *)addr, strlen((char*)addr)+1);
                 PMIX_OUTPUT_VERBOSE((10, pmix_globals.debug_output,
                             "%s:%d:%s: for rank %u, replace flag %d skip %s key, look for %s key",
                             __FILE__, __LINE__, __func__, rank, data_exist, ckey, kval->key));