1 files changed, 5 insertions, 3 deletions

diff --git a/include/linux/pfair_math.h b/include/linux/pfair_math.h
index 6eef12433c..dab1778f0b 100644
--- a/include/linux/pfair_math.h
+++ b/include/linux/pfair_math.h
@@ -22,7 +22,7 @@ static inline quantum_t FLOOR(quantum_t a, unsigned long b)
 static inline quantum_t CEIL(quantum_t a, unsigned long  b)
 {
         quantum_t t = FLOOR(a, b);
-        return (quantum_t)((t * b == a)?t:(t + 1));
+        return (quantum_t)((t * b == a) ? t : (t + 1));
 }
 
 
@@ -60,7 +60,7 @@ static inline int b_bit(struct task_struct *t)
         quantum_t e = get_exec_cost(t);
         quantum_t p = get_rt_period(t);
         return CEIL((get_passed_quanta(t) + 1) * p, e)-
-                FLOOR((get_passed_quanta(t) + 1)* p, e);
+                FLOOR((get_passed_quanta(t) + 1) * p, e);
 }
 /*
 *       Group deadline 
@@ -69,7 +69,9 @@ static inline quantum_t group_deadline(struct task_struct * t)
 {
         quantum_t p = get_rt_period(t);
         quantum_t e = get_exec_cost(t);
-        return CEIL(CEIL(CEIL((get_passed_quanta(t)+1)*p, e)*(p-e), p)*p, p-e);
+        quantum_t stage1 = CEIL((get_passed_quanta(t) + 1) * p, e);
+        quantum_t stage2 = CEIL(stage1 * (p - e), p);
+        return CEIL(stage2 * p, p - e);
 }
 
 #endif /*       __UNC_PFAIR_MATH_H__    */