Merge branch 'for-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...

[firefly-linux-kernel-4.4.55.git] / arch / m68k / kernel / signal.c

diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index d9f3d1900eed029a5044fb05845dceeccb261844..710a528b928b8580ac4281449586ee4507966db9 100644 (file)
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -51,8 +51,6 @@
 #include <asm/traps.h>
 #include <asm/ucontext.h>
 
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-
 #ifdef CONFIG_MMU
 
 /*
@@ -795,7 +793,6 @@ asmlinkage int do_sigreturn(unsigned long __unused)
                              sizeof(frame->extramask))))
                goto badframe;
 
-       sigdelsetmask(&set, ~_BLOCKABLE);
        set_current_blocked(&set);
 
        if (restore_sigcontext(regs, &frame->sc, frame + 1))
@@ -820,7 +817,6 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused)
        if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
                goto badframe;
 
-       sigdelsetmask(&set, ~_BLOCKABLE);
        set_current_blocked(&set);
 
        if (rt_restore_ucontext(regs, sw, &frame->uc))
@@ -1123,8 +1119,9 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
  */
 static void
 handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,
-             sigset_t *oldset, struct pt_regs *regs)
+             struct pt_regs *regs)
 {
+       sigset_t *oldset = sigmask_to_save();
        int err;
        /* are we from a system call? */
        if (regs->orig_d0 >= 0)
@@ -1140,14 +1137,12 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,
        if (err)
                return;
 
-       block_sigmask(ka, sig);
+       signal_delivered(sig, info, ka, regs, 0);
 
        if (test_thread_flag(TIF_DELAYED_TRACE)) {
                regs->sr &= ~0x8000;
                send_sig(SIGTRAP, current, 1);
        }
-
-       clear_thread_flag(TIF_RESTORE_SIGMASK);
 }
 
 /*
@@ -1160,19 +1155,13 @@ static void do_signal(struct pt_regs *regs)
        siginfo_t info;
        struct k_sigaction ka;
        int signr;
-       sigset_t *oldset;
 
        current->thread.esp0 = (unsigned long) regs;
 
-       if (test_thread_flag(TIF_RESTORE_SIGMASK))
-               oldset = &current->saved_sigmask;
-       else
-               oldset = &current->blocked;
-
        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
        if (signr > 0) {
                /* Whee!  Actually deliver the signal.  */
-               handle_signal(signr, &ka, &info, oldset, regs);
+               handle_signal(signr, &ka, &info, regs);
                return;
        }
 
@@ -1182,10 +1171,7 @@ static void do_signal(struct pt_regs *regs)
                handle_restart(regs, NULL, 0);
 
        /* If there's no signal to deliver, we just restore the saved mask.  */
-       if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
-               clear_thread_flag(TIF_RESTORE_SIGMASK);
-               sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
-       }
+       restore_saved_sigmask();
 }
 
 void do_notify_resume(struct pt_regs *regs)
@@ -1193,9 +1179,6 @@ void do_notify_resume(struct pt_regs *regs)
        if (test_thread_flag(TIF_SIGPENDING))
                do_signal(regs);
 
-       if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) {
+       if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME))
                tracehook_notify_resume(regs);
-               if (current->replacement_session_keyring)
-                       key_replace_session_keyring();
-       }
 }