1 files changed, 12 insertions, 31 deletions

diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index eee999853a7c..a9a285b8c4ad 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -380,20 +380,13 @@ asmlinkage long sys32_sigreturn(void)
                 goto badframe;
         if (__copy_from_user(&set.sig, &frame->sc.oldmask, _SIGMASK_COPY_SIZE32))
                 goto badframe;
-
         sigdelsetmask(&set, ~_BLOCKABLE);
-        spin_lock_irq(&current->sighand->siglock);
-        current->blocked = set;
-        recalc_sigpending();
-        spin_unlock_irq(&current->sighand->siglock);
-
+        set_current_blocked(&set);
         if (restore_sigregs32(regs, &frame->sregs))
                 goto badframe;
         if (restore_sigregs_gprs_high(regs, frame->gprs_high))
                 goto badframe;
-
         return regs->gprs[2];
-
 badframe:
         force_sig(SIGSEGV, current);
         return 0;
@@ -413,31 +406,22 @@ asmlinkage long sys32_rt_sigreturn(void)
                 goto badframe;
         if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
                 goto badframe;
-
         sigdelsetmask(&set, ~_BLOCKABLE);
-        spin_lock_irq(&current->sighand->siglock);
-        current->blocked = set;
-        recalc_sigpending();
-        spin_unlock_irq(&current->sighand->siglock);
-
+        set_current_blocked(&set);
         if (restore_sigregs32(regs, &frame->uc.uc_mcontext))
                 goto badframe;
         if (restore_sigregs_gprs_high(regs, frame->gprs_high))
                 goto badframe;
-
         err = __get_user(ss_sp, &frame->uc.uc_stack.ss_sp);
         st.ss_sp = compat_ptr(ss_sp);
         err |= __get_user(st.ss_size, &frame->uc.uc_stack.ss_size);
         err |= __get_user(st.ss_flags, &frame->uc.uc_stack.ss_flags);
         if (err)
                 goto badframe; 
-
         set_fs (KERNEL_DS);
         do_sigaltstack((stack_t __force __user *)&st, NULL, regs->gprs[15]);
         set_fs (old_fs);
-
         return regs->gprs[2];
-
 badframe:
         force_sig(SIGSEGV, current);
         return 0;
@@ -605,10 +589,10 @@ give_sigsegv:
  * OK, we're invoking a handler
  */     
 
-int
-handle_signal32(unsigned long sig, struct k_sigaction *ka,
-                siginfo_t *info, sigset_t *oldset, struct pt_regs * regs)
+int handle_signal32(unsigned long sig, struct k_sigaction *ka,
+                    siginfo_t *info, sigset_t *oldset, struct pt_regs *regs)
 {
+        sigset_t blocked;
         int ret;
 
         /* Set up the stack frame */
@@ -616,15 +600,12 @@ handle_signal32(unsigned long sig, struct k_sigaction *ka,
                 ret = setup_rt_frame32(sig, ka, info, oldset, regs);
         else
                 ret = setup_frame32(sig, ka, oldset, regs);
-
-        if (ret == 0) {
-                spin_lock_irq(&current->sighand->siglock);
-                sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
-                if (!(ka->sa.sa_flags & SA_NODEFER))
-                        sigaddset(&current->blocked,sig);
-                recalc_sigpending();
-                spin_unlock_irq(&current->sighand->siglock);
-        }
-        return ret;
+        if (ret)
+                return ret;
+        sigorsets(&blocked, &current->blocked, &ka->sa.sa_mask);
+        if (!(ka->sa.sa_flags & SA_NODEFER))
+                sigaddset(&blocked, sig);
+        set_current_blocked(&blocked);
+        return 0;
 }