Make struct nla_policy and struct nlattr const

[project/libnl-tiny.git] / attr.c

diff --git a/attr.c b/attr.c
index fd10b25b5a94edd9383670be867ff4f9803fad55..2c1d354e86258516810d13854b21f25153a86734 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -443,10 +443,10 @@ static uint16_t nla_attr_minlen[NLA_TYPE_MAX+1] = {
        [NLA_S64]       = sizeof(int64_t),
 };
 
-static int validate_nla(struct nlattr *nla, int maxtype,
-                       struct nla_policy *policy)
+static int validate_nla(const struct nlattr *nla, int maxtype,
+                       const struct nla_policy *policy)
 {
-       struct nla_policy *pt;
+       const struct nla_policy *pt;
        int minlen = 0, type = nla_type(nla);
 
        if (type <= 0 || type > maxtype)
@@ -500,7 +500,7 @@ static int validate_nla(struct nlattr *nla, int maxtype,
  * @return 0 on success or a negative error code.
  */
 int nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, int len,
-             struct nla_policy *policy)
+             const struct nla_policy *policy)
 {
        struct nlattr *nla;
        int rem, err;
@@ -552,10 +552,10 @@ errout:
  *
  * @return 0 on success or a negative error code.
  */
-int nla_validate(struct nlattr *head, int len, int maxtype,
-                struct nla_policy *policy)
+int nla_validate(const struct nlattr *head, int len, int maxtype,
+                const struct nla_policy *policy)
 {
-       struct nlattr *nla;
+       const struct nlattr *nla;
        int rem, err;
 
        nla_for_each_attr(nla, head, len, rem) {