Revert some of "binfmt_elf: cleanups"

The commit "binfmt_elf: cleanups"
(f670d0e) removed an ifndef elf_map but
this breaks compilation for metag which does define elf_map.

This adds the ifndef back in as it was before, but does not affect the
other cleanups made by that patch.

Signed-off-by: James Hogan <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: [email protected]
Acked-by: Mikael Pettersson <[email protected]>

fs/binfmt_elf.c

@@ -321,6 +321,8 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
 	return 0;
 }
 
+#ifndef elf_map
+
 static unsigned long elf_map(struct file *filep, unsigned long addr,
 		struct elf_phdr *eppnt, int prot, int type,
 		unsigned long total_size)
@@ -355,6 +357,8 @@ static unsigned long elf_map(struct file *filep, unsigned long addr,
 	return(map_addr);
 }
 
+#endif /* !elf_map */
+
 static unsigned long total_mapping_size(struct elf_phdr *cmds, int nr)
 {
 	int i, first_idx = -1, last_idx = -1;