trivial: small cleanups

These are small cleanups all over the tree.

Trivial style and comment changes to
  fs/select.c, kernel/signal.c, kernel/stop_machine.c & mm/pdflush.c
Signed-off-by: NPavel Machek <pavel@suse.cz>
Signed-off-by: NJesper Juhl <jesper.juhl@gmail.com>

fs/select.c

@@ -260,7 +260,7 @@ int do_select(int n, fd_set_bits *fds, s64 *timeout)
 		wait = NULL;
 		if (retval || !*timeout || signal_pending(current))
 			break;
-		if(table.error) {
+		if (table.error) {
 			retval = table.error;
 			break;
 		}

kernel/signal.c

@@ -220,7 +220,7 @@ void flush_signals(struct task_struct *t)
 	unsigned long flags;
 
 	spin_lock_irqsave(&t->sighand->siglock, flags);
-	clear_tsk_thread_flag(t,TIF_SIGPENDING);
+	clear_tsk_thread_flag(t, TIF_SIGPENDING);
 	flush_sigqueue(&t->pending);
 	flush_sigqueue(&t->signal->shared_pending);
 	spin_unlock_irqrestore(&t->sighand->siglock, flags);
@@ -424,7 +424,7 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
 	}
 	if (signr &&
 	     ((info->si_code & __SI_MASK) == __SI_TIMER) &&
-	     info->si_sys_private){
+	     info->si_sys_private) {
 		/*
 		 * Release the siglock to ensure proper locking order
 		 * of timer locks outside of siglocks.  Note, we leave

kernel/stop_machine.c

@@ -135,8 +135,7 @@ static void restart_machine(void)
 	preempt_enable_no_resched();
 }
 
-struct stop_machine_data
-{
+struct stop_machine_data {
 	int (*fn)(void *);
 	void *data;
 	struct completion done;

mm/pdflush.c

@@ -17,8 +17,8 @@
 #include <linux/gfp.h>
 #include <linux/init.h>
 #include <linux/module.h>
-#include <linux/fs.h>		// Needed by writeback.h
-#include <linux/writeback.h>	// Prototypes pdflush_operation()
+#include <linux/fs.h>		/* Needed by writeback.h	  */
+#include <linux/writeback.h>	/* Prototypes pdflush_operation() */
 #include <linux/kthread.h>
 #include <linux/cpuset.h>
 #include <linux/freezer.h>