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Diffstat (limited to 'net/ipv6/calipso.c')
-rw-r--r--net/ipv6/calipso.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c
index 37ac9de713c6..1323b9679cf7 100644
--- a/net/ipv6/calipso.c
+++ b/net/ipv6/calipso.c
@@ -227,7 +227,7 @@ static int calipso_cache_check(const unsigned char *key,
entry->key_len == key_len &&
memcmp(entry->key, key, key_len) == 0) {
entry->activity += 1;
- atomic_inc(&entry->lsm_data->refcount);
+ refcount_inc(&entry->lsm_data->refcount);
secattr->cache = entry->lsm_data;
secattr->flags |= NETLBL_SECATTR_CACHE;
secattr->type = NETLBL_NLTYPE_CALIPSO;
@@ -296,7 +296,7 @@ static int calipso_cache_add(const unsigned char *calipso_ptr,
}
entry->key_len = calipso_ptr_len;
entry->hash = calipso_map_cache_hash(calipso_ptr, calipso_ptr_len);
- atomic_inc(&secattr->cache->refcount);
+ refcount_inc(&secattr->cache->refcount);
entry->lsm_data = secattr->cache;
bkt = entry->hash & (CALIPSO_CACHE_BUCKETS - 1);
@@ -338,7 +338,7 @@ static struct calipso_doi *calipso_doi_search(u32 doi)
struct calipso_doi *iter;
list_for_each_entry_rcu(iter, &calipso_doi_list, list)
- if (iter->doi == doi && atomic_read(&iter->refcount))
+ if (iter->doi == doi && refcount_read(&iter->refcount))
return iter;
return NULL;
}
@@ -370,7 +370,7 @@ static int calipso_doi_add(struct calipso_doi *doi_def,
if (doi_def->doi == CALIPSO_DOI_UNKNOWN)
goto doi_add_return;
- atomic_set(&doi_def->refcount, 1);
+ refcount_set(&doi_def->refcount, 1);
spin_lock(&calipso_doi_list_lock);
if (calipso_doi_search(doi_def->doi)) {
@@ -458,7 +458,7 @@ static int calipso_doi_remove(u32 doi, struct netlbl_audit *audit_info)
ret_val = -ENOENT;
goto doi_remove_return;
}
- if (!atomic_dec_and_test(&doi_def->refcount)) {
+ if (!refcount_dec_and_test(&doi_def->refcount)) {
spin_unlock(&calipso_doi_list_lock);
ret_val = -EBUSY;
goto doi_remove_return;
@@ -499,7 +499,7 @@ static struct calipso_doi *calipso_doi_getdef(u32 doi)
doi_def = calipso_doi_search(doi);
if (!doi_def)
goto doi_getdef_return;
- if (!atomic_inc_not_zero(&doi_def->refcount))
+ if (!refcount_inc_not_zero(&doi_def->refcount))
doi_def = NULL;
doi_getdef_return:
@@ -520,7 +520,7 @@ static void calipso_doi_putdef(struct calipso_doi *doi_def)
if (!doi_def)
return;
- if (!atomic_dec_and_test(&doi_def->refcount))
+ if (!refcount_dec_and_test(&doi_def->refcount))
return;
spin_lock(&calipso_doi_list_lock);
list_del_rcu(&doi_def->list);
@@ -553,7 +553,7 @@ static int calipso_doi_walk(u32 *skip_cnt,
rcu_read_lock();
list_for_each_entry_rcu(iter_doi, &calipso_doi_list, list)
- if (atomic_read(&iter_doi->refcount) > 0) {
+ if (refcount_read(&iter_doi->refcount) > 0) {
if (doi_cnt++ < *skip_cnt)
continue;
ret_val = callback(iter_doi, cb_arg);
@@ -1319,7 +1319,7 @@ static int calipso_skbuff_setattr(struct sk_buff *skb,
struct ipv6hdr *ip6_hdr;
struct ipv6_opt_hdr *hop;
unsigned char buf[CALIPSO_MAX_BUFFER];
- int len_delta, new_end, pad;
+ int len_delta, new_end, pad, payload;
unsigned int start, end;
ip6_hdr = ipv6_hdr(skb);
@@ -1346,6 +1346,8 @@ static int calipso_skbuff_setattr(struct sk_buff *skb,
if (ret_val < 0)
return ret_val;
+ ip6_hdr = ipv6_hdr(skb); /* Reset as skb_cow() may have moved it */
+
if (len_delta) {
if (len_delta > 0)
skb_push(skb, len_delta);
@@ -1355,6 +1357,8 @@ static int calipso_skbuff_setattr(struct sk_buff *skb,
sizeof(*ip6_hdr) + start);
skb_reset_network_header(skb);
ip6_hdr = ipv6_hdr(skb);
+ payload = ntohs(ip6_hdr->payload_len);
+ ip6_hdr->payload_len = htons(payload + len_delta);
}
hop = (struct ipv6_opt_hdr *)(ip6_hdr + 1);