ptrace: some checkpatch fixes

This fixes all the checkpatch --file complaints about kernel/ptrace.c
and also removes an unused #include.  I've verified that there are no
changes to the compiled code on x86_64.
Signed-off-by: Roland McGrath <roland@redhat.com>
[ Removed the parts that just split a line  - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

kernel/ptrace.c

@@ -21,9 +21,7 @@
 #include <linux/audit.h>
 #include <linux/pid_namespace.h>
 #include <linux/syscalls.h>
-
-#include <asm/pgtable.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 
 /*
@@ -173,7 +171,7 @@ bool ptrace_may_access(struct task_struct *task, unsigned int mode)
 	task_lock(task);
 	err = __ptrace_may_access(task, mode);
 	task_unlock(task);
-	return (!err ? true : false);
+	return !err;
 }
 
 int ptrace_attach(struct task_struct *task)
@@ -496,9 +494,9 @@ static int ptrace_resume(struct task_struct *child, long request, long data)
 		if (unlikely(!arch_has_single_step()))
 			return -EIO;
 		user_enable_single_step(child);
-	}
-	else
+	} else {
 		user_disable_single_step(child);
+	}
 
 	child->exit_code = data;
 	wake_up_process(child);