net/dccp: dccp_list_has_service can be boolean

This patch makes dccp_list_has_service return bool due to this
particular function only using either one or zero as its return
value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 2210254..61d042b 100644 (file)
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -202,16 +202,16 @@ struct dccp_service_list {
 #define DCCP_SERVICE_INVALID_VALUE htonl((__u32)-1)
 #define DCCP_SERVICE_CODE_IS_ABSENT            0
 
-static inline int dccp_list_has_service(const struct dccp_service_list *sl,
+static inline bool dccp_list_has_service(const struct dccp_service_list *sl,
                                        const __be32 service)
 {
        if (likely(sl != NULL)) {
                u32 i = sl->dccpsl_nr;
                while (i--)
                        if (sl->dccpsl_list[i] == service)
-                               return 1;
+                               return true;
        }
-       return 0;
+       return false;
 }
 
 struct dccp_ackvec;