[PATCH] binfmt_elf build fix

The cast to void still triggers the gcc "warning: ignoring return value"
warning, which is dumb of it.  So ignore the return value differently.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/binfmt_elf.c

@@ -803,13 +803,14 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs)
 				nbyte = ELF_MIN_ALIGN - nbyte;
 				if (nbyte > elf_brk - elf_bss)
 					nbyte = elf_brk - elf_bss;
-				/*
-				 * This bss-zeroing can fail if the ELF file
-				 * specifies odd protections.  So we don't check
-				 * the return value
-				 */
-				(void)clear_user((void __user *)elf_bss +
-							load_bias, nbyte);
+				if (clear_user((void __user *)elf_bss +
+							load_bias, nbyte)) {
+					/*
+					 * This bss-zeroing can fail if the ELF
+					 * file specifies odd protections.  So
+					 * we don't check the return value
+					 */
+				}
 			}
 		}