x86: reduce trivial style differences in signal_32|64.c

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 25 insertions, 22 deletions

diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 1c83e5124c65..863cebe8e60a 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -345,7 +345,7 @@ static long current_syscall_ret(struct pt_regs *regs)
 
 static int
 handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
-                sigset_t *oldset, struct pt_regs *regs)
+              sigset_t *oldset, struct pt_regs *regs)
 {
         int ret;
 
@@ -359,21 +359,21 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
         if (current_syscall(regs) >= 0) {
                 /* If so, check system call restarting.. */
                 switch (current_syscall_ret(regs)) {
-                        case -ERESTART_RESTARTBLOCK:
-                        case -ERESTARTNOHAND:
-                                regs->ax = -EINTR;
-                                break;
+                case -ERESTART_RESTARTBLOCK:
+                case -ERESTARTNOHAND:
+                        regs->ax = -EINTR;
+                        break;
 
-                        case -ERESTARTSYS:
-                                if (!(ka->sa.sa_flags & SA_RESTART)) {
-                                        regs->ax = -EINTR;
-                                        break;
-                                }
-                                /* fallthrough */
-                        case -ERESTARTNOINTR:
-                                regs->ax = regs->orig_ax;
-                                regs->ip -= 2;
+                case -ERESTARTSYS:
+                        if (!(ka->sa.sa_flags & SA_RESTART)) {
+                                regs->ax = -EINTR;
                                 break;
+                        }
+                /* fallthrough */
+                case -ERESTARTNOINTR:
+                        regs->ax = regs->orig_ax;
+                        regs->ip -= 2;
+                        break;
                 }
         }
 
@@ -420,10 +420,11 @@ static void do_signal(struct pt_regs *regs)
         sigset_t *oldset;
 
         /*
-         * We want the common case to go fast, which
-         * is why we may in certain cases get here from
-         * kernel mode. Just return without doing anything
+         * We want the common case to go fast, which is why we may in certain
+         * cases get here from kernel mode. Just return without doing anything
          * if so.
+         * X86_32: vm86 regs switched out by assembly code before reaching
+         * here, so testing against kernel CS suffices.
          */
         if (!user_mode(regs))
                 return;
@@ -473,16 +474,18 @@ static void do_signal(struct pt_regs *regs)
                 }
         }
 
-        /* if there's no signal to deliver, we just put the saved sigmask
-           back. */
+        /*
+         * If there's no signal to deliver, we just put the saved sigmask
+         * back.
+         */
         if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
                 clear_thread_flag(TIF_RESTORE_SIGMASK);
                 sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
         }
 }
 
-void
-do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags)
+void do_notify_resume(struct pt_regs *regs, void *unused,
+                      __u32 thread_info_flags)
 {
 #ifdef DEBUG_SIG
         printk("do_notify_resume flags:%x ip:%lx sp:%lx caller:%p pending:%x\n",
@@ -502,7 +505,7 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags)
 #endif /* CONFIG_X86_MCE */
 
         /* deal with pending signal delivery */
-        if (thread_info_flags & (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK))
+        if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
                 do_signal(regs);
 
         if (thread_info_flags & _TIF_HRTICK_RESCHED)