aboutsummaryrefslogtreecommitdiffstats
path: root/lib/nlattr.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/nlattr.c')
-rw-r--r--lib/nlattr.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/lib/nlattr.c b/lib/nlattr.c
index c4706eb98d3..00e8a02681a 100644
--- a/lib/nlattr.c
+++ b/lib/nlattr.c
@@ -15,7 +15,7 @@
15#include <linux/types.h> 15#include <linux/types.h>
16#include <net/netlink.h> 16#include <net/netlink.h>
17 17
18static u16 nla_attr_minlen[NLA_TYPE_MAX+1] __read_mostly = { 18static const u16 nla_attr_minlen[NLA_TYPE_MAX+1] = {
19 [NLA_U8] = sizeof(u8), 19 [NLA_U8] = sizeof(u8),
20 [NLA_U16] = sizeof(u16), 20 [NLA_U16] = sizeof(u16),
21 [NLA_U32] = sizeof(u32), 21 [NLA_U32] = sizeof(u32),
@@ -23,7 +23,7 @@ static u16 nla_attr_minlen[NLA_TYPE_MAX+1] __read_mostly = {
23 [NLA_NESTED] = NLA_HDRLEN, 23 [NLA_NESTED] = NLA_HDRLEN,
24}; 24};
25 25
26static int validate_nla(struct nlattr *nla, int maxtype, 26static int validate_nla(const struct nlattr *nla, int maxtype,
27 const struct nla_policy *policy) 27 const struct nla_policy *policy)
28{ 28{
29 const struct nla_policy *pt; 29 const struct nla_policy *pt;
@@ -115,10 +115,10 @@ static int validate_nla(struct nlattr *nla, int maxtype,
115 * 115 *
116 * Returns 0 on success or a negative error code. 116 * Returns 0 on success or a negative error code.
117 */ 117 */
118int nla_validate(struct nlattr *head, int len, int maxtype, 118int nla_validate(const struct nlattr *head, int len, int maxtype,
119 const struct nla_policy *policy) 119 const struct nla_policy *policy)
120{ 120{
121 struct nlattr *nla; 121 const struct nlattr *nla;
122 int rem, err; 122 int rem, err;
123 123
124 nla_for_each_attr(nla, head, len, rem) { 124 nla_for_each_attr(nla, head, len, rem) {
@@ -173,10 +173,10 @@ nla_policy_len(const struct nla_policy *p, int n)
173 * 173 *
174 * Returns 0 on success or a negative error code. 174 * Returns 0 on success or a negative error code.
175 */ 175 */
176int nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, int len, 176int nla_parse(struct nlattr **tb, int maxtype, const struct nlattr *head,
177 const struct nla_policy *policy) 177 int len, const struct nla_policy *policy)
178{ 178{
179 struct nlattr *nla; 179 const struct nlattr *nla;
180 int rem, err; 180 int rem, err;
181 181
182 memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1)); 182 memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1));
@@ -191,7 +191,7 @@ int nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, int len,
191 goto errout; 191 goto errout;
192 } 192 }
193 193
194 tb[type] = nla; 194 tb[type] = (struct nlattr *)nla;
195 } 195 }
196 } 196 }
197 197
@@ -212,14 +212,14 @@ errout:
212 * 212 *
213 * Returns the first attribute in the stream matching the specified type. 213 * Returns the first attribute in the stream matching the specified type.
214 */ 214 */
215struct nlattr *nla_find(struct nlattr *head, int len, int attrtype) 215struct nlattr *nla_find(const struct nlattr *head, int len, int attrtype)
216{ 216{
217 struct nlattr *nla; 217 const struct nlattr *nla;
218 int rem; 218 int rem;
219 219
220 nla_for_each_attr(nla, head, len, rem) 220 nla_for_each_attr(nla, head, len, rem)
221 if (nla_type(nla) == attrtype) 221 if (nla_type(nla) == attrtype)
222 return nla; 222 return (struct nlattr *)nla;
223 223
224 return NULL; 224 return NULL;
225} 225}