s390/traps: Cleanup coding style

Just some trivial whitespace and coding style changes.

Reviewed-by: Sven Schnelle <[e-mail]>
Signed-off-by: Heiko Carstens <[e-mail]>
Signed-off-by: Vasily Gorbik <[e-mail]>

arch/s390/kernel/traps.c

···
  *  S390 version
  *    Copyright IBM Corp. 1999, 2000
  *    Author(s): Martin Schwidefsky ([e-mail]),
- *               Denis Joseph Barrow ([e-mail],[e-mail]),
+ *		 Denis Joseph Barrow ([e-mail],[e-mail]),
  *
  *  Derived from "arch/i386/kernel/traps.c"
  *    Copyright (C) 1991, 1992 Linus Torvalds
  */
 
-/*
- * 'Traps.c' handles hardware traps and faults after we have saved some
- * state in 'asm.s'.
- */
 #include <linux/cpufeature.h>
 #include <linux/kprobes.h>
 #include <linux/kdebug.h>
···
 		address = current->thread.trap_tdb.data[3];
 	else
 		address = regs->psw.addr;
-	return (void __user *) (address - (regs->int_code >> 16));
+	return (void __user *)(address - (regs->int_code >> 16));
 }
 
 #ifdef CONFIG_GENERIC_BUG
···
 	if (user_mode(regs)) {
 		force_sig_fault(si_signo, si_code, get_trap_ip(regs));
 		report_user_fault(regs, si_signo, 0);
-        } else {
+	} else {
 		if (!fixup_exception(regs))
 			die(regs, str);
-        }
+	}
 }
 
 static void do_trap(struct pt_regs *regs, int si_signo, int si_code, char *str)
 {
-	if (notify_die(DIE_TRAP, str, regs, 0,
-		       regs->int_code, si_signo) == NOTIFY_STOP)
+	if (notify_die(DIE_TRAP, str, regs, 0, regs->int_code, si_signo) == NOTIFY_STOP)
 		return;
 	do_report_trap(regs, si_signo, si_code, str);
 }
···
 		return;
 	if (!current->ptrace)
 		return;
-	force_sig_fault(SIGTRAP, TRAP_HWBKPT,
-		(void __force __user *) current->thread.per_event.address);
+	force_sig_fault(SIGTRAP, TRAP_HWBKPT, (void __force __user *)current->thread.per_event.address);
 }
 NOKPROBE_SYMBOL(do_per_trap);
 
···
 	do_trap(regs, signr, sicode, str);	\
 }
 
-DO_ERROR_INFO(addressing_exception, SIGILL, ILL_ILLADR,
-	      "addressing exception")
-DO_ERROR_INFO(execute_exception, SIGILL, ILL_ILLOPN,
-	      "execute exception")
-DO_ERROR_INFO(divide_exception, SIGFPE, FPE_INTDIV,
-	      "fixpoint divide exception")
-DO_ERROR_INFO(overflow_exception, SIGFPE, FPE_INTOVF,
-	      "fixpoint overflow exception")
-DO_ERROR_INFO(hfp_overflow_exception, SIGFPE, FPE_FLTOVF,
-	      "HFP overflow exception")
-DO_ERROR_INFO(hfp_underflow_exception, SIGFPE, FPE_FLTUND,
-	      "HFP underflow exception")
-DO_ERROR_INFO(hfp_significance_exception, SIGFPE, FPE_FLTRES,
-	      "HFP significance exception")
-DO_ERROR_INFO(hfp_divide_exception, SIGFPE, FPE_FLTDIV,
-	      "HFP divide exception")
-DO_ERROR_INFO(hfp_sqrt_exception, SIGFPE, FPE_FLTINV,
-	      "HFP square root exception")
-DO_ERROR_INFO(operand_exception, SIGILL, ILL_ILLOPN,
-	      "operand exception")
-DO_ERROR_INFO(privileged_op, SIGILL, ILL_PRVOPC,
-	      "privileged operation")
-DO_ERROR_INFO(special_op_exception, SIGILL, ILL_ILLOPN,
-	      "special operation exception")
-DO_ERROR_INFO(transaction_exception, SIGILL, ILL_ILLOPN,
-	      "transaction constraint exception")
+DO_ERROR_INFO(addressing_exception, SIGILL, ILL_ILLADR, "addressing exception")
+DO_ERROR_INFO(divide_exception, SIGFPE, FPE_INTDIV, "fixpoint divide exception")
+DO_ERROR_INFO(execute_exception, SIGILL, ILL_ILLOPN, "execute exception")
+DO_ERROR_INFO(hfp_divide_exception, SIGFPE, FPE_FLTDIV, "HFP divide exception")
+DO_ERROR_INFO(hfp_overflow_exception, SIGFPE, FPE_FLTOVF, "HFP overflow exception")
+DO_ERROR_INFO(hfp_significance_exception, SIGFPE, FPE_FLTRES, "HFP significance exception")
+DO_ERROR_INFO(hfp_sqrt_exception, SIGFPE, FPE_FLTINV, "HFP square root exception")
+DO_ERROR_INFO(hfp_underflow_exception, SIGFPE, FPE_FLTUND, "HFP underflow exception")
+DO_ERROR_INFO(operand_exception, SIGILL, ILL_ILLOPN, "operand exception")
+DO_ERROR_INFO(overflow_exception, SIGFPE, FPE_INTOVF, "fixpoint overflow exception")
+DO_ERROR_INFO(privileged_op, SIGILL, ILL_PRVOPC, "privileged operation")
+DO_ERROR_INFO(special_op_exception, SIGILL, ILL_ILLOPN, "special operation exception")
+DO_ERROR_INFO(specification_exception, SIGILL, ILL_ILLOPN, "specification exception");
+DO_ERROR_INFO(transaction_exception, SIGILL, ILL_ILLOPN, "transaction constraint exception")
 
 static inline void do_fp_trap(struct pt_regs *regs, __u32 fpc)
 {
 	int si_code = 0;
+
 	/* FPC[2] is Data Exception Code */
 	if ((fpc & 0x00000300) == 0) {
 		/* bits 6 and 7 of DXC are 0 iff IEEE exception */
···
 	u16 opcode;
 
 	location = get_trap_ip(regs);
-
 	if (user_mode(regs)) {
 		if (get_user(opcode, location))
 			return;
···
 		} else if (opcode == UPROBE_SWBP_INSN) {
 			is_uprobe_insn = 1;
 #endif
-		} else
+		} else {
 			signal = SIGILL;
+		}
 	}
 	/*
-	 * We got either an illegal op in kernel mode, or user space trapped
+	 * This is either an illegal op in kernel mode, or user space trapped
 	 * on a uprobes illegal instruction. See if kprobes or uprobes picks
 	 * it up. If not, SIGILL.
 	 */
 	if (is_uprobe_insn || !user_mode(regs)) {
-		if (notify_die(DIE_BPT, "bpt", regs, 0,
-			       3, SIGTRAP) != NOTIFY_STOP)
+		if (notify_die(DIE_BPT, "bpt", regs, 0, 3, SIGTRAP) != NOTIFY_STOP)
 			signal = SIGILL;
 	}
 	if (signal)
 		do_trap(regs, signal, ILL_ILLOPC, "illegal operation");
 }
 NOKPROBE_SYMBOL(illegal_op);
-
-DO_ERROR_INFO(specification_exception, SIGILL, ILL_ILLOPN,
-	      "specification exception");
 
 static void vector_exception(struct pt_regs *regs)
 {
···
 {
 	if (user_mode(regs))
 		return;
-
 	switch (report_bug(regs->psw.addr - (regs->int_code >> 16), regs)) {
 	case BUG_TRAP_TYPE_NONE:
 		fixup_exception(regs);
···
 	teid.val = lc->trans_exc_code;
 	regs->int_code = lc->pgm_int_code;
 	regs->int_parm_long = teid.val;
-
 	/*
 	 * In case of a guest fault, short-circuit the fault handler and return.
 	 * This way the sie64a() function will return 0; fault address and
···
 		current->thread.gmap_int_code = regs->int_code & 0xffff;
 		return;
 	}
-
 	state = irqentry_enter(regs);
-
 	if (user_mode(regs)) {
 		update_timer_sys();
 		if (!cpu_has_bear()) {
···
 		}
 		current->thread.last_break = regs->last_break;
 	}
-
 	if (lc->pgm_code & 0x0200) {
 		/* transaction abort */
 		current->thread.trap_tdb = lc->pgm_tdb;
 	}
-
 	if (lc->pgm_code & PGM_INT_CODE_PER) {
 		if (user_mode(regs)) {
 			struct per_event *ev = &current->thread.per_event;
···
 			goto out;
 		}
 	}
-
 	if (!irqs_disabled_flags(regs->psw.mask))
 		trace_hardirqs_on();
 	__arch_local_irq_ssm(regs->psw.mask & ~PSW_MASK_PER);
-
 	trapnr = regs->int_code & PGM_INT_CODE_MASK;
 	if (trapnr)
 		pgm_check_table[trapnr](regs);