[S390] Avoid compile warning.

arch/s390/mm/fault.c: In function `signal_return':
arch/s390/mm/fault.c:256: warning: unused variable `compat'

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 8b924b3..d855cdb 100644 (file)
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -253,7 +253,10 @@ static int signal_return(struct mm_struct *mm, struct pt_regs *regs,
                         unsigned long address, unsigned long error_code)
 {
        u16 instruction;
-       int rc, compat;
+       int rc;
+#ifdef CONFIG_COMPAT
+       int compat;
+#endif
 
        pagefault_disable();
        rc = __get_user(instruction, (u16 __user *) regs->psw.addr);