Rip out get_signal_to_deliver()

Now we can turn get_signal() to the main function.

Signed-off-by: Richard Weinberger <richard@nod.at>

2 files changed, 13 insertions, 24 deletions

diff --git a/include/linux/signal.h b/include/linux/signal.h
index b005cc3dc1dc..750196fcc0a5 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -280,7 +280,7 @@ struct ksignal {
         int sig;
 };
 
-extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie);
+extern int get_signal(struct ksignal *ksig);
 extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping);
 extern void exit_signals(struct task_struct *tsk);
 extern void kernel_sigaction(int, __sighandler_t);
@@ -300,18 +300,6 @@ static inline void disallow_signal(int sig)
         kernel_sigaction(sig, SIG_IGN);
 }
 
-/*
- * Eventually that'll replace get_signal_to_deliver(); macro for now,
- * to avoid nastiness with include order.
- */
-#define get_signal(ksig)                                        \
-({                                                              \
-        struct ksignal *p = (ksig);                             \
-        p->sig = get_signal_to_deliver(&p->info, &p->ka,        \
-                                        signal_pt_regs(), NULL);\
-        p->sig > 0;                                             \
-})
-
 extern struct kmem_cache *sighand_cachep;
 
 int unhandled_signal(struct task_struct *tsk, int sig);
diff --git a/kernel/signal.c b/kernel/signal.c
index 0d75cf875d44..5c6020040388 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2166,8 +2166,7 @@ static int ptrace_signal(int signr, siginfo_t *info)
         return signr;
 }
 
-int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka,
-                          struct pt_regs *regs, void *cookie)
+int get_signal(struct ksignal *ksig)
 {
         struct sighand_struct *sighand = current->sighand;
         struct signal_struct *signal = current->signal;
@@ -2237,13 +2236,13 @@ relock:
                         goto relock;
                 }
 
-                signr = dequeue_signal(current, &current->blocked, info);
+                signr = dequeue_signal(current, &current->blocked, &ksig->info);
 
                 if (!signr)
                         break; /* will return 0 */
 
                 if (unlikely(current->ptrace) && signr != SIGKILL) {
-                        signr = ptrace_signal(signr, info);
+                        signr = ptrace_signal(signr, &ksig->info);
                         if (!signr)
                                 continue;
                 }
@@ -2251,13 +2250,13 @@ relock:
                 ka = &sighand->action[signr-1];
 
                 /* Trace actually delivered signals. */
-                trace_signal_deliver(signr, info, ka);
+                trace_signal_deliver(signr, &ksig->info, ka);
 
                 if (ka->sa.sa_handler == SIG_IGN) /* Do nothing.  */
                         continue;
                 if (ka->sa.sa_handler != SIG_DFL) {
                         /* Run the handler.  */
-                        *return_ka = *ka;
+                        ksig->ka = *ka;
 
                         if (ka->sa.sa_flags & SA_ONESHOT)
                                 ka->sa.sa_handler = SIG_DFL;
@@ -2307,7 +2306,7 @@ relock:
                                 spin_lock_irq(&sighand->siglock);
                         }
 
-                        if (likely(do_signal_stop(info->si_signo))) {
+                        if (likely(do_signal_stop(ksig->info.si_signo))) {
                                 /* It released the siglock.  */
                                 goto relock;
                         }
@@ -2328,7 +2327,7 @@ relock:
 
                 if (sig_kernel_coredump(signr)) {
                         if (print_fatal_signals)
-                                print_fatal_signal(info->si_signo);
+                                print_fatal_signal(ksig->info.si_signo);
                         proc_coredump_connector(current);
                         /*
                          * If it was able to dump core, this kills all
@@ -2338,17 +2337,19 @@ relock:
                          * first and our do_group_exit call below will use
                          * that value and ignore the one we pass it.
                          */
-                        do_coredump(info);
+                        do_coredump(&ksig->info);
                 }
 
                 /*
                  * Death signals, no core dump.
                  */
-                do_group_exit(info->si_signo);
+                do_group_exit(ksig->info.si_signo);
                 /* NOTREACHED */
         }
         spin_unlock_irq(&sighand->siglock);
-        return signr;
+
+        ksig->sig = signr;
+        return ksig->sig > 0;
 }
 
 /**