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Commit 6067b2ba authored by Al Viro's avatar Al Viro Committed by David S. Miller
Browse files

[XFRM]: xfrm_parse_spi() annotations 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e037c39b

include/net/xfrm.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -1004,7 +1004,7 @@ extern void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pi 
extern int km_report(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);

extern int km_report(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);





extern void xfrm_input_init(void);

extern void xfrm_input_init(void);

extern int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, u32 *spi, u32 *seq);

extern int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq);





extern void xfrm_probe_algs(void);

extern void xfrm_probe_algs(void);

extern int xfrm_count_auth_supported(void);

extern int xfrm_count_auth_supported(void);

net/ipv4/xfrm4_input.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -23,7 +23,7 @@ int xfrm4_rcv(struct sk_buff *skb) 




EXPORT_SYMBOL(xfrm4_rcv);

EXPORT_SYMBOL(xfrm4_rcv);





static int xfrm4_parse_spi(struct sk_buff *skb, u8 nexthdr, u32 *spi, u32 *seq)

static int xfrm4_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq)

{

{

	switch (nexthdr) {

	switch (nexthdr) {

	case IPPROTO_IPIP:

	case IPPROTO_IPIP:
@@ -55,7 +55,7 @@ drop: 
int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)

int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)

{

{

	int err;

	int err;

	u32 spi, seq;

	__be32 spi, seq;

	struct xfrm_state *xfrm_vec[XFRM_MAX_DEPTH];

	struct xfrm_state *xfrm_vec[XFRM_MAX_DEPTH];

	struct xfrm_state *x;

	struct xfrm_state *x;

	int xfrm_nr = 0;

	int xfrm_nr = 0;

net/ipv6/xfrm6_input.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -19,7 +19,7 @@ 
int xfrm6_rcv_spi(struct sk_buff *skb, u32 spi)

int xfrm6_rcv_spi(struct sk_buff *skb, u32 spi)

{

{

	int err;

	int err;

	u32 seq;

	__be32 seq;

	struct xfrm_state *xfrm_vec[XFRM_MAX_DEPTH];

	struct xfrm_state *xfrm_vec[XFRM_MAX_DEPTH];

	struct xfrm_state *x;

	struct xfrm_state *x;

	int xfrm_nr = 0;

	int xfrm_nr = 0;

net/xfrm/xfrm_input.c

+4 −4
Original line number Original line Diff line number Diff line
@@ -46,7 +46,7 @@ EXPORT_SYMBOL(secpath_dup); 




/* Fetch spi and seq from ipsec header */

/* Fetch spi and seq from ipsec header */





int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, u32 *spi, u32 *seq)

int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq)

{

{

	int offset, offset_seq;

	int offset, offset_seq;
@@ -62,7 +62,7 @@ int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, u32 *spi, u32 *seq) 
	case IPPROTO_COMP:

	case IPPROTO_COMP:

		if (!pskb_may_pull(skb, sizeof(struct ip_comp_hdr)))

		if (!pskb_may_pull(skb, sizeof(struct ip_comp_hdr)))

			return -EINVAL;

			return -EINVAL;

		*spi = htonl(ntohs(*(u16*)(skb->h.raw + 2)));

		*spi = htonl(ntohs(*(__be16*)(skb->h.raw + 2)));

		*seq = 0;

		*seq = 0;

		return 0;

		return 0;

	default:

	default:
@@ -72,8 +72,8 @@ int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, u32 *spi, u32 *seq) 
	if (!pskb_may_pull(skb, 16))

	if (!pskb_may_pull(skb, 16))

		return -EINVAL;

		return -EINVAL;





	*spi = *(u32*)(skb->h.raw + offset);

	*spi = *(__be32*)(skb->h.raw + offset);

	*seq = *(u32*)(skb->h.raw + offset_seq);

	*seq = *(__be32*)(skb->h.raw + offset_seq);

	return 0;

	return 0;

}

}

EXPORT_SYMBOL(xfrm_parse_spi);

EXPORT_SYMBOL(xfrm_parse_spi);