[PATCH 6/6] net: use get/put_unaligned_* helpers
From: Harvey Harrison <hidden>
Date: 2008-05-02 05:21:20
Also in:
lkml
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [networking] (tcx & tc bpf, sock_addr), ethernet bridge, networking [general], networking [labeled] (netlabel, labeled ipsec, secmark), networking [tcp], the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Nikolay Aleksandrov, Ido Schimmel, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Paul Moore, Neal Cardwell, Linus Torvalds
Signed-off-by: Harvey Harrison <redacted> --- net/bridge/br_stp_bpdu.c | 4 ++-- net/core/filter.c | 4 ++-- net/ipv4/cipso_ipv4.c | 18 ++++++++---------- net/ipv4/tcp_input.c | 18 +++++++++--------- 4 files changed, 21 insertions(+), 23 deletions(-)
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 8deab64..ddeb6e5 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c@@ -58,12 +58,12 @@ static inline void br_set_ticks(unsigned char *dest, int j) { unsigned long ticks = (STP_HZ * j)/ HZ; - put_unaligned(htons(ticks), (__be16 *)dest); + put_unaligned_be16(ticks, dest); } static inline int br_get_ticks(const unsigned char *src) { - unsigned long ticks = ntohs(get_unaligned((__be16 *)src)); + unsigned long ticks = get_unaligned_be16(src); return DIV_ROUND_UP(ticks * HZ, STP_HZ); }
diff --git a/net/core/filter.c b/net/core/filter.c
index f5f3cf6..4f83697 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c@@ -213,7 +213,7 @@ unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int load_w: ptr = load_pointer(skb, k, 4, &tmp); if (ptr != NULL) { - A = ntohl(get_unaligned((__be32 *)ptr)); + A = get_unaligned_be32(ptr); continue; } break;
@@ -222,7 +222,7 @@ load_w: load_h: ptr = load_pointer(skb, k, 2, &tmp); if (ptr != NULL) { - A = ntohs(get_unaligned((__be16 *)ptr)); + A = get_unaligned_be16(ptr); continue; } break;
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 4637ded..05afb57 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c@@ -983,7 +983,7 @@ static int cipso_v4_map_cat_enum_valid(const struct cipso_v4_doi *doi_def, return -EFAULT; for (iter = 0; iter < enumcat_len; iter += 2) { - cat = ntohs(get_unaligned((__be16 *)&enumcat[iter])); + cat = get_unaligned_be16(&enumcat[iter]); if (cat <= cat_prev) return -EFAULT; cat_prev = cat;
@@ -1052,7 +1052,7 @@ static int cipso_v4_map_cat_enum_ntoh(const struct cipso_v4_doi *doi_def, for (iter = 0; iter < net_cat_len; iter += 2) { ret_val = netlbl_secattr_catmap_setbit(secattr->attr.mls.cat, - ntohs(get_unaligned((__be16 *)&net_cat[iter])), + get_unaligned_be16(&net_cat[iter]), GFP_ATOMIC); if (ret_val != 0) return ret_val;
@@ -1086,10 +1086,9 @@ static int cipso_v4_map_cat_rng_valid(const struct cipso_v4_doi *doi_def, return -EFAULT; for (iter = 0; iter < rngcat_len; iter += 4) { - cat_high = ntohs(get_unaligned((__be16 *)&rngcat[iter])); + cat_high = get_unaligned_be16(&rngcat[iter]); if ((iter + 4) <= rngcat_len) - cat_low = ntohs( - get_unaligned((__be16 *)&rngcat[iter + 2])); + cat_low = get_unaligned_be16(&rngcat[iter + 2]); else cat_low = 0;
@@ -1188,10 +1187,9 @@ static int cipso_v4_map_cat_rng_ntoh(const struct cipso_v4_doi *doi_def, u16 cat_high; for (net_iter = 0; net_iter < net_cat_len; net_iter += 4) { - cat_high = ntohs(get_unaligned((__be16 *)&net_cat[net_iter])); + cat_high = get_unaligned_be16(&net_cat[net_iter]); if ((net_iter + 4) <= net_cat_len) - cat_low = ntohs( - get_unaligned((__be16 *)&net_cat[net_iter + 2])); + cat_low = get_unaligned_be16(&net_cat[net_iter + 2]); else cat_low = 0;
@@ -1562,7 +1560,7 @@ int cipso_v4_validate(unsigned char **option) } rcu_read_lock(); - doi_def = cipso_v4_doi_search(ntohl(get_unaligned((__be32 *)&opt[2]))); + doi_def = cipso_v4_doi_search(get_unaligned_be32(&opt[2])); if (doi_def == NULL) { err_offset = 2; goto validate_return_locked;
@@ -1843,7 +1841,7 @@ static int cipso_v4_getattr(const unsigned char *cipso, if (cipso_v4_cache_check(cipso, cipso[1], secattr) == 0) return 0; - doi = ntohl(get_unaligned((__be32 *)&cipso[2])); + doi = get_unaligned_be32(&cipso[2]); rcu_read_lock(); doi_def = cipso_v4_doi_search(doi); if (doi_def == NULL)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 0298f80..eda4f4a 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c@@ -1172,8 +1172,8 @@ static int tcp_check_dsack(struct tcp_sock *tp, struct sk_buff *ack_skb, struct tcp_sack_block_wire *sp, int num_sacks, u32 prior_snd_una) { - u32 start_seq_0 = ntohl(get_unaligned(&sp[0].start_seq)); - u32 end_seq_0 = ntohl(get_unaligned(&sp[0].end_seq)); + u32 start_seq_0 = get_unaligned_be32(&sp[0].start_seq); + u32 end_seq_0 = get_unaligned_be32(&sp[0].end_seq); int dup_sack = 0; if (before(start_seq_0, TCP_SKB_CB(ack_skb)->ack_seq)) {
@@ -1181,8 +1181,8 @@ static int tcp_check_dsack(struct tcp_sock *tp, struct sk_buff *ack_skb, tcp_dsack_seen(tp); NET_INC_STATS_BH(LINUX_MIB_TCPDSACKRECV); } else if (num_sacks > 1) { - u32 end_seq_1 = ntohl(get_unaligned(&sp[1].end_seq)); - u32 start_seq_1 = ntohl(get_unaligned(&sp[1].start_seq)); + u32 end_seq_1 = get_unaligned_be32(&sp[1].end_seq); + u32 start_seq_1 = get_unaligned_be32(&sp[1].start_seq); if (!after(end_seq_0, end_seq_1) && !before(start_seq_0, start_seq_1)) {
@@ -1453,8 +1453,8 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, for (i = 0; i < num_sacks; i++) { int dup_sack = !i && found_dup_sack; - sp[used_sacks].start_seq = ntohl(get_unaligned(&sp_wire[i].start_seq)); - sp[used_sacks].end_seq = ntohl(get_unaligned(&sp_wire[i].end_seq)); + sp[used_sacks].start_seq = get_unaligned_be32(&sp_wire[i].start_seq); + sp[used_sacks].end_seq = get_unaligned_be32(&sp_wire[i].end_seq); if (!tcp_is_sackblock_valid(tp, dup_sack, sp[used_sacks].start_seq,
@@ -3340,7 +3340,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, switch (opcode) { case TCPOPT_MSS: if (opsize == TCPOLEN_MSS && th->syn && !estab) { - u16 in_mss = ntohs(get_unaligned((__be16 *)ptr)); + u16 in_mss = get_unaligned_be16(ptr); if (in_mss) { if (opt_rx->user_mss && opt_rx->user_mss < in_mss)
@@ -3369,8 +3369,8 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, ((estab && opt_rx->tstamp_ok) || (!estab && sysctl_tcp_timestamps))) { opt_rx->saw_tstamp = 1; - opt_rx->rcv_tsval = ntohl(get_unaligned((__be32 *)ptr)); - opt_rx->rcv_tsecr = ntohl(get_unaligned((__be32 *)(ptr+4))); + opt_rx->rcv_tsval = get_unaligned_be32(ptr); + opt_rx->rcv_tsecr = get_unaligned_be32(ptr + 4); } break; case TCPOPT_SACK_PERM:
--
1.5.5.1.350.gbbbf