binfmt_elf warning fix

fs/binfmt_elf.c: In function 'load_elf_binary':
fs/binfmt_elf.c:1002: warning: 'interp_map_addr' may be used uninitialized in this function

The compiler (gcc-4.1.0) is correct, but it failed to notice that we didn't
use the resulting value.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 5cfa735..a27e42b 100644 (file)
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -999,7 +999,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
                        elf_entry = load_aout_interp(&loc->interp_ex,
                                                     interpreter);
                } else {
-                       unsigned long interp_map_addr;  /* unused */
+                       unsigned long uninitialized_var(interp_map_addr);
 
                        elf_entry = load_elf_interp(&loc->interp_elf_ex,
                                                    interpreter,