Fix PowerPC targets minor memory leaks found by Coverity

bfd/
2014-02-04  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* coff-rs6000.c (xcoff_write_archive_contents_big): Free OFFSETS in
	return paths.  Three times.
	* elf64-ppc.c (ppc64_elf_link_hash_table_create): Free HTAB in all
	return paths.
	(ppc64_elf_tls_optimize): Free TOC_REF in return path.
	(ppc64_elf_edit_toc): Free USED in return path.

bfd/ChangeLog

@@ -1,3 +1,12 @@
+2014-02-04  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* coff-rs6000.c (xcoff_write_archive_contents_big): Free OFFSETS in
+	return paths.  Three times.
+	* elf64-ppc.c (ppc64_elf_link_hash_table_create): Free HTAB in all
+	return paths.
+	(ppc64_elf_tls_optimize): Free TOC_REF in return path.
+	(ppc64_elf_edit_toc): Free USED in return path.
+
 2014-02-03  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* reloc.c (BFD_RELOC_NIOS2_GOT_LO, BFD_RELOC_NIOS2_GOT_HA): New.

bfd/coff-rs6000.c

@@ -2404,7 +2404,10 @@ xcoff_write_archive_contents_big (bfd *abfd)
       PRINT20 (ahdrp->nextoff, iterator.next.offset);
 
       if (!do_pad (abfd, iterator.current.leading_padding))
-	return FALSE;
+	{
+	  free (offsets);
+	  return FALSE;
+	}
 
       BFD_ASSERT (iterator.current.offset == bfd_tell (abfd));
       namlen = iterator.current.padded_namlen;
@@ -2414,7 +2417,10 @@ xcoff_write_archive_contents_big (bfd *abfd)
 	  || bfd_seek (iterator.current.member, 0, SEEK_SET) != 0
 	  || !do_copy (abfd, iterator.current.member)
 	  || !do_pad (abfd, iterator.current.trailing_padding))
-	return FALSE;
+	{
+	  free (offsets);
+	  return FALSE;
+	}
 
       offsets[i] = iterator.current.offset;
       prevoff = iterator.current.offset;
@@ -2459,7 +2465,10 @@ xcoff_write_archive_contents_big (bfd *abfd)
   member_table_size += member_table_size & 1;
   member_table = bfd_zmalloc (member_table_size);
   if (member_table == NULL)
-    return FALSE;
+    {
+      free (offsets);
+      return FALSE;
+    }
 
   hdr = (struct xcoff_ar_hdr_big *) member_table;
 

bfd/elf64-ppc.c

@@ -4168,19 +4168,31 @@ ppc64_elf_link_hash_table_create (bfd *abfd)
   /* Init the stub hash table too.  */
   if (!bfd_hash_table_init (&htab->stub_hash_table, stub_hash_newfunc,
 			    sizeof (struct ppc_stub_hash_entry)))
-    return NULL;
+    {
+      _bfd_elf_link_hash_table_free ((struct bfd_link_hash_table *) htab);
+      return NULL;
+    }
 
   /* And the branch hash table.  */
   if (!bfd_hash_table_init (&htab->branch_hash_table, branch_hash_newfunc,
 			    sizeof (struct ppc_branch_hash_entry)))
-    return NULL;
+    {
+      bfd_hash_table_free (&htab->stub_hash_table);
+      _bfd_elf_link_hash_table_free ((struct bfd_link_hash_table *) htab);
+      return NULL;
+    }
 
   htab->tocsave_htab = htab_try_create (1024,
 					tocsave_htab_hash,
 					tocsave_htab_eq,
 					NULL);
   if (htab->tocsave_htab == NULL)
-    return NULL;
+    {
+      bfd_hash_table_free (&htab->branch_hash_table);
+      bfd_hash_table_free (&htab->stub_hash_table);
+      _bfd_elf_link_hash_table_free ((struct bfd_link_hash_table *) htab);
+      return NULL;
+    }
 
   /* Initializing two fields of the union is just cosmetic.  We really
      only care about glist, but when compiled on a 32-bit host the
@@ -8073,7 +8085,10 @@ ppc64_elf_tls_optimize (struct bfd_link_info *info)
 	      relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
 						    info->keep_memory);
 	      if (relstart == NULL)
-		return FALSE;
+		{
+		  free (toc_ref);
+		  return FALSE;
+		}
 
 	      relend = relstart + sec->reloc_count;
 	      for (rel = relstart; rel < relend; rel++)
@@ -8781,7 +8796,10 @@ ppc64_elf_edit_toc (struct bfd_link_info *info)
 	  relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
 						info->keep_memory);
 	  if (relstart == NULL)
-	    goto error_ret;
+	    {
+	      free (used);
+	      goto error_ret;
+	    }
 
 	  /* Mark toc entries referenced as used.  */
 	  do