4576b7cb265f23003f5015bb6024a8aa0b13a301 Issues on kernel/pid.c file .
 kernel/pid.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/pid.c b/kernel/pid.c
index 4d73a83..6b75210 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -55,7 +55,7 @@ int pid_max_max = PID_MAX_LIMIT;
 static inline int mk_pid(struct pid_namespace *pid_ns,
 		struct pidmap *map, int off)
 {
-	return (map - pid_ns->pidmap)*BITS_PER_PAGE + off;
+	return ((map - pid_ns->pidmap)*BITS_PER_PAGE) + off;
 }
 
 #define find_next_offset(map, off)					\
@@ -123,7 +123,7 @@ static int pid_before(int base, int a, int b)
 	 * (a - base + MAXUINT) % MAXUINT < (b - base + MAXUINT) % MAXUINT
 	 * and that mapping orders 'a' and 'b' with respect to 'base'.
 	 */
-	return (unsigned)(a - base) < (unsigned)(b - base);
+	return ((unsigned)(a - base) < (unsigned)(b - base));
 }
 
 /*
@@ -224,7 +224,7 @@ int next_pidmap(struct pid_namespace *pid_ns, unsigned int last)
 	offset = (last + 1) & BITS_PER_PAGE_MASK;
 	map = &pid_ns->pidmap[(last + 1)/BITS_PER_PAGE];
 	end = &pid_ns->pidmap[PIDMAP_ENTRIES];
-	for (; map < end; map++, offset = 0) {
+	for (; (map < end); map++, offset = 0) {
 		if (unlikely(!map->page))
 			continue;
 		offset = find_next_bit((map)->page, BITS_PER_PAGE, offset);
@@ -335,7 +335,7 @@ struct pid *alloc_pid(struct pid_namespace *ns)
 	spin_lock_irq(&pidmap_lock);
 	if (!(ns->nr_hashed & PIDNS_HASH_ADDING))
 		goto out_unlock;
-	for ( ; upid >= pid->numbers; --upid) {
+	for ( ; (upid >= pid->numbers); --upid) {
 		hlist_add_head_rcu(&upid->pid_chain,
 				&pid_hash[pid_hashfn(upid->nr, upid->ns)]);
 		upid->ns->nr_hashed++;
@@ -369,7 +369,7 @@ struct pid *find_pid_ns(int nr, struct pid_namespace *ns)
 
 	hlist_for_each_entry_rcu(pnr,
 			&pid_hash[pid_hashfn(nr, ns)], pid_chain)
-		if (pnr->nr == nr && pnr->ns == ns)
+		if ((pnr->nr == nr) && (pnr->ns == ns))
 			return container_of(pnr, struct pid,
 					numbers[ns->level]);
 
@@ -502,7 +502,7 @@ pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
 	struct upid *upid;
 	pid_t nr = 0;
 
-	if (pid && ns->level <= pid->level) {
+	if (pid && (ns->level <= pid->level)) {
 		upid = &pid->numbers[ns->level];
 		if (upid->ns == ns)
 			nr = upid->nr;
-- 
2.7.4