[PATCH v2 2/3] kernel: pid: Change function return value to bool.

[Varsha Rao <rvarsha016@gmail.com>]

Remove unsign cast and add bool as return type for pid_before()
function. As the function is called only once in condition for do
while loop. This patch fixes the checkpatch issue.

Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
---
Changes in v2:
- Modified commit message.
- Changed return type of pid_before() function.

 kernel/pid.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/pid.c b/kernel/pid.c
index 0b0aad4..c6f7b89 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -117,7 +117,7 @@ static void free_pidmap(struct upid *upid)
 /*
  * If we started walking pids at 'base', is 'a' seen before 'b'?
  */
-static int pid_before(int base, int a, int b)
+static bool pid_before(int base, int a, int b)
 {
 	/*
 	 * This is the same as saying
@@ -125,7 +125,7 @@ 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 (a - base) < (b - base);
 }
 
 /*
-- 
2.9.3