scripts/sortextable: suppress warning: `relocs_size' may be used uninitialized

In file included from scripts/sortextable.c:194:0:
scripts/sortextable.c: In function `main':
scripts/sortextable.h:176:3: warning: `relocs_size' may be used uninitialized in this function [-Wmaybe-uninitialized]
   memset(relocs, 0, relocs_size);
   ^
scripts/sortextable.h:106:6: note: `relocs_size' was declared here
  int relocs_size;
      ^
In file included from scripts/sortextable.c:192:0:
scripts/sortextable.h:176:3: warning: `relocs_size' may be used uninitialized in this function [-Wmaybe-uninitialized]
   memset(relocs, 0, relocs_size);
   ^
scripts/sortextable.h:106:6: note: `relocs_size' was declared here
  int relocs_size;
      ^

gcc 4.9.1

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Reviewed-by: Jamie Iles <jamie.iles@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 7cbc0ea79da2cbe70d8da9319895f07f872a3190)
Signed-off-by: Jon Medhurst <tixy@linaro.org>

diff --git a/scripts/sortextable.h b/scripts/sortextable.h
index f5eb43d429267f5bfeeaf0c27eab24e2e07f0f84..3f064799a8c313af1000b096a04a2ff465ac152d 100644 (file)
--- a/scripts/sortextable.h
+++ b/scripts/sortextable.h
@@ -101,7 +101,7 @@ do_func(Elf_Ehdr *ehdr, char const *const fname, table_sort_t custom_sort)
        Elf_Sym *sort_needed_sym;
        Elf_Shdr *sort_needed_sec;
        Elf_Rel *relocs = NULL;
-       int relocs_size;
+       int relocs_size = 0;
        uint32_t *sort_done_location;
        const char *secstrtab;
        const char *strtab;