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netlink: constify struct nlattr * arg to parsing functions 

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2008-10-28 11:59:11 -07:00 committed by David S. Miller
parent 3891845e1e
commit b057efd4d2
2 changed files with 12 additions and 12 deletions
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22
include/net/netlink.h
View File

@ -233,7 +233,7 @@ extern int nla_parse(struct nlattr *tb[], int maxtype,
extern struct nlattr * nla_find(struct nlattr *head, int len, int attrtype); extern struct nlattr * nla_find(struct nlattr *head, int len, int attrtype);
extern size_t nla_strlcpy(char *dst, const struct nlattr *nla, extern size_t nla_strlcpy(char *dst, const struct nlattr *nla,
size_t dstsize); size_t dstsize);
extern int nla_memcpy(void *dest, struct nlattr *src, int count); extern int nla_memcpy(void *dest, const struct nlattr *src, int count);
extern int nla_memcmp(const struct nlattr *nla, const void *data, extern int nla_memcmp(const struct nlattr *nla, const void *data,
size_t size); size_t size);
extern int nla_strcmp(const struct nlattr *nla, const char *str); extern int nla_strcmp(const struct nlattr *nla, const char *str);
@ -741,7 +741,7 @@ static inline struct nlattr *nla_find_nested(struct nlattr *nla, int attrtype)
* See nla_parse() * See nla_parse()
*/ */
static inline int nla_parse_nested(struct nlattr *tb[], int maxtype, static inline int nla_parse_nested(struct nlattr *tb[], int maxtype,
struct nlattr *nla, const struct nlattr *nla,
const struct nla_policy *policy) const struct nla_policy *policy)
{ {
return nla_parse(tb, maxtype, nla_data(nla), nla_len(nla), policy); return nla_parse(tb, maxtype, nla_data(nla), nla_len(nla), policy);
@ -875,7 +875,7 @@ static inline int nla_put_msecs(struct sk_buff *skb, int attrtype,
* nla_get_u32 - return payload of u32 attribute * nla_get_u32 - return payload of u32 attribute
* @nla: u32 netlink attribute * @nla: u32 netlink attribute
*/ */
static inline u32 nla_get_u32(struct nlattr *nla) static inline u32 nla_get_u32(const struct nlattr *nla)
{ {
return *(u32 *) nla_data(nla); return *(u32 *) nla_data(nla);
} }
@ -884,7 +884,7 @@ static inline u32 nla_get_u32(struct nlattr *nla)
* nla_get_be32 - return payload of __be32 attribute * nla_get_be32 - return payload of __be32 attribute
* @nla: __be32 netlink attribute * @nla: __be32 netlink attribute
*/ */
static inline __be32 nla_get_be32(struct nlattr *nla) static inline __be32 nla_get_be32(const struct nlattr *nla)
{ {
return *(__be32 *) nla_data(nla); return *(__be32 *) nla_data(nla);
} }
@ -893,7 +893,7 @@ static inline __be32 nla_get_be32(struct nlattr *nla)
* nla_get_u16 - return payload of u16 attribute * nla_get_u16 - return payload of u16 attribute
* @nla: u16 netlink attribute * @nla: u16 netlink attribute
*/ */
static inline u16 nla_get_u16(struct nlattr *nla) static inline u16 nla_get_u16(const struct nlattr *nla)
{ {
return *(u16 *) nla_data(nla); return *(u16 *) nla_data(nla);
} }
@ -902,7 +902,7 @@ static inline u16 nla_get_u16(struct nlattr *nla)
* nla_get_be16 - return payload of __be16 attribute * nla_get_be16 - return payload of __be16 attribute
* @nla: __be16 netlink attribute * @nla: __be16 netlink attribute
*/ */
static inline __be16 nla_get_be16(struct nlattr *nla) static inline __be16 nla_get_be16(const struct nlattr *nla)
{ {
return *(__be16 *) nla_data(nla); return *(__be16 *) nla_data(nla);
} }
@ -911,7 +911,7 @@ static inline __be16 nla_get_be16(struct nlattr *nla)
* nla_get_le16 - return payload of __le16 attribute * nla_get_le16 - return payload of __le16 attribute
* @nla: __le16 netlink attribute * @nla: __le16 netlink attribute
*/ */
static inline __le16 nla_get_le16(struct nlattr *nla) static inline __le16 nla_get_le16(const struct nlattr *nla)
{ {
return *(__le16 *) nla_data(nla); return *(__le16 *) nla_data(nla);
} }
@ -920,7 +920,7 @@ static inline __le16 nla_get_le16(struct nlattr *nla)
* nla_get_u8 - return payload of u8 attribute * nla_get_u8 - return payload of u8 attribute
* @nla: u8 netlink attribute * @nla: u8 netlink attribute
*/ */
static inline u8 nla_get_u8(struct nlattr *nla) static inline u8 nla_get_u8(const struct nlattr *nla)
{ {
return *(u8 *) nla_data(nla); return *(u8 *) nla_data(nla);
} }
@ -929,7 +929,7 @@ static inline u8 nla_get_u8(struct nlattr *nla)
* nla_get_u64 - return payload of u64 attribute * nla_get_u64 - return payload of u64 attribute
* @nla: u64 netlink attribute * @nla: u64 netlink attribute
*/ */
static inline u64 nla_get_u64(struct nlattr *nla) static inline u64 nla_get_u64(const struct nlattr *nla)
{ {
u64 tmp; u64 tmp;
@ -942,7 +942,7 @@ static inline u64 nla_get_u64(struct nlattr *nla)
* nla_get_flag - return payload of flag attribute * nla_get_flag - return payload of flag attribute
* @nla: flag netlink attribute * @nla: flag netlink attribute
*/ */
static inline int nla_get_flag(struct nlattr *nla) static inline int nla_get_flag(const struct nlattr *nla)
{ {
return !!nla; return !!nla;
} }
@ -953,7 +953,7 @@ static inline int nla_get_flag(struct nlattr *nla)
* *
* Returns the number of milliseconds in jiffies. * Returns the number of milliseconds in jiffies.
*/ */
static inline unsigned long nla_get_msecs(struct nlattr *nla) static inline unsigned long nla_get_msecs(const struct nlattr *nla)
{ {
u64 msecs = nla_get_u64(nla); u64 msecs = nla_get_u64(nla);

2
net/netlink/attr.c
View File

@ -233,7 +233,7 @@ size_t nla_strlcpy(char *dst, const struct nlattr *nla, size_t dstsize)
* *
* Returns the number of bytes copied. * Returns the number of bytes copied.
*/ */
int nla_memcpy(void *dest, struct nlattr *src, int count) int nla_memcpy(void *dest, const struct nlattr *src, int count)
{ {
int minlen = min_t(int, count, nla_len(src)); int minlen = min_t(int, count, nla_len(src));