more low-hanging fruits - kernel, fs, lib signedness

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 7a15afb..57efe04 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -712,7 +712,7 @@
 {
 	struct k_itimer *timr;
 	int overrun;
-	long flags;
+	unsigned long flags;
 
 	timr = lock_timer(timer_id, &flags);
 	if (!timr)
@@ -784,7 +784,7 @@
 	struct k_itimer *timr;
 	struct itimerspec new_spec, old_spec;
 	int error = 0;
-	long flag;
+	unsigned long flag;
 	struct itimerspec *rtn = old_setting ? &old_spec : NULL;
 
 	if (!new_setting)
@@ -836,7 +836,7 @@
 sys_timer_delete(timer_t timer_id)
 {
 	struct k_itimer *timer;
-	long flags;
+	unsigned long flags;
 
 retry_delete:
 	timer = lock_timer(timer_id, &flags);