1 files changed, 5 insertions, 12 deletions

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 5502df115a63..17b2a6927f01 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -352,16 +352,14 @@ static int verify_address_len(void *p)
 
         switch (addr->sa_family) {
         case AF_INET:
-                len  = sizeof(*sp) + sizeof(*sin) + (sizeof(uint64_t) - 1);
-                len /= sizeof(uint64_t);
+                len = DIV_ROUND_UP(sizeof(*sp) + sizeof(*sin), sizeof(uint64_t));
                 if (sp->sadb_address_len != len ||
                     sp->sadb_address_prefixlen > 32)
                         return -EINVAL;
                 break;
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
         case AF_INET6:
-                len  = sizeof(*sp) + sizeof(*sin6) + (sizeof(uint64_t) - 1);
-                len /= sizeof(uint64_t);
+                len = DIV_ROUND_UP(sizeof(*sp) + sizeof(*sin6), sizeof(uint64_t));
                 if (sp->sadb_address_len != len ||
                     sp->sadb_address_prefixlen > 128)
                         return -EINVAL;
@@ -386,14 +384,9 @@ static int verify_address_len(void *p)
 
 static inline int pfkey_sec_ctx_len(struct sadb_x_sec_ctx *sec_ctx)
 {
-        int len = 0;
-
-        len += sizeof(struct sadb_x_sec_ctx);
-        len += sec_ctx->sadb_x_ctx_len;
-        len += sizeof(uint64_t) - 1;
-        len /= sizeof(uint64_t);
-
-        return len;
+        return DIV_ROUND_UP(sizeof(struct sadb_x_sec_ctx) +
+                            sec_ctx->sadb_x_ctx_len,
+                            sizeof(uint64_t));
 }
 
 static inline int verify_sec_ctx_len(void *p)