pull clearing RESTORE_SIGMASK into block_sigmask()

[cascardo/linux.git] / arch / sh / kernel / signal_64.c

diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index b589a35..7075c63 100644 (file)
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -43,9 +43,9 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
-static int
+static void
 handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
-               sigset_t *oldset, struct pt_regs * regs);
+               struct pt_regs * regs);
 
 static inline void
 handle_syscall_restart(struct pt_regs *regs, struct sigaction *sa)
@@ -88,7 +88,6 @@ static void do_signal(struct pt_regs *regs)
        siginfo_t info;
        int signr;
        struct k_sigaction ka;
-       sigset_t *oldset;
 
        /*
         * We want the common case to go fast, which
@@ -99,28 +98,13 @@ static void do_signal(struct pt_regs *regs)
        if (!user_mode(regs))
                return;
 
-       if (current_thread_info()->status & TS_RESTORE_SIGMASK)
-               oldset = &current->saved_sigmask;
-       else
-               oldset = &current->blocked;
-
        signr = get_signal_to_deliver(&info, &ka, regs, 0);
        if (signr > 0) {
                handle_syscall_restart(regs, &ka.sa);
 
                /* Whee!  Actually deliver the signal.  */
-               if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
-                       /*
-                        * If a signal was successfully delivered, the
-                        * saved sigmask is in its frame, and we can
-                        * clear the TS_RESTORE_SIGMASK flag.
-                        */
-                       current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-
-                       tracehook_signal_handler(signr, &info, &ka, regs,
-                                       test_thread_flag(TIF_SINGLESTEP));
-                       return;
-               }
+               handle_signal(signr, &info, &ka, regs);
+               return;
        }
 
        /* Did we come from a system call? */
@@ -143,12 +127,7 @@ static void do_signal(struct pt_regs *regs)
        }
 
        /* No signal to deliver -- put the saved sigmask back */
-       if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
-               current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-               sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
-       }
-
-       return;
+       restore_saved_sigmask();
 }
 
 /*
@@ -659,10 +638,11 @@ give_sigsegv:
 /*
  * OK, we're invoking a handler
  */
-static int
+static void
 handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
-               sigset_t *oldset, struct pt_regs * regs)
+               struct pt_regs * regs)
 {
+       sigset_t *oldset = sigmask_to_save();
        int ret;
 
        /* Set up the stack frame */
@@ -671,10 +651,12 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
        else
                ret = setup_frame(sig, ka, oldset, regs);
 
-       if (ret == 0)
-               block_sigmask(ka, sig);
+       if (ret)
+               return;
 
-       return ret;
+       block_sigmask(ka, sig);
+       tracehook_signal_handler(sig, info, ka, regs,
+                       test_thread_flag(TIF_SINGLESTEP));
 }
 
 asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags)
@@ -685,7 +667,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned long thread_info
        if (thread_info_flags & _TIF_NOTIFY_RESUME) {
                clear_thread_flag(TIF_NOTIFY_RESUME);
                tracehook_notify_resume(regs);
-               if (current->replacement_session_keyring)
-                       key_replace_session_keyring();
        }
 }