[RFA] elfread.c (elf_symtab_read): Stop memory leak.

[Michael Snyder <msnyder@vmware.com>]

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OK?


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2011-03-05  Michael Snyder  <msnyder@vmware.com>

	* elfread.c (elf_symtab_read): Stop memory leak.

Index: elfread.c
===================================================================
RCS file: /cvs/src/src/gdb/elfread.c,v
retrieving revision 1.103
diff -u -p -r1.103 elfread.c
--- elfread.c	7 Jan 2011 19:36:16 -0000	1.103
+++ elfread.c	5 Mar 2011 20:33:20 -0000
@@ -242,6 +242,7 @@ elf_symtab_read (struct objfile *objfile
   char *filesymname = "";
   struct dbx_symfile_info *dbx = objfile->deprecated_sym_stab_info;
   int stripped = (bfd_get_symcount (objfile->obfd) == 0);
+  struct cleanup *back_to = make_cleanup (null_cleanup, NULL);
 
   for (i = 0; i < number_of_symbols; i++)
     {
@@ -464,6 +465,7 @@ elf_symtab_read (struct objfile *objfile
 				     * max_index));
 			  sectinfo = (struct stab_section_info *)
 			    xmalloc (size);
+			  make_cleanup (xfree, sectinfo);
 			  memset (sectinfo, 0, size);
 			  sectinfo->num_sections = max_index;
 			  if (filesym == NULL)
@@ -572,6 +574,7 @@ elf_symtab_read (struct objfile *objfile
 	    }
 	}
     }
+  do_cleanups (back_to);
 }
 
 struct build_id