diff options
| -rw-r--r-- | drivers/s390/net/qeth_l3.h | 1 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 62 |
2 files changed, 23 insertions, 40 deletions
diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h index ba913d1ab88d..2421f29021c1 100644 --- a/drivers/s390/net/qeth_l3.h +++ b/drivers/s390/net/qeth_l3.h @@ -54,6 +54,7 @@ static inline void qeth_l3_init_ipaddr(struct qeth_ipaddr *addr, addr->type = type; addr->proto = proto; addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING; + addr->ref_counter = 1; } static inline bool qeth_l3_addr_match_ip(struct qeth_ipaddr *a1, diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index f4c65971321a..e7ce73b9f016 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -63,15 +63,6 @@ void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, qeth_l3_ipaddr6_to_string(addr, buf); } -static struct qeth_ipaddr *qeth_l3_get_addr_buffer(enum qeth_prot_versions prot) -{ - struct qeth_ipaddr *addr = kmalloc(sizeof(*addr), GFP_ATOMIC); - - if (addr) - qeth_l3_init_ipaddr(addr, QETH_IP_TYPE_NORMAL, prot); - return addr; -} - static struct qeth_ipaddr *qeth_l3_find_addr_by_ip(struct qeth_card *card, struct qeth_ipaddr *query) { @@ -216,13 +207,10 @@ static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) "Registering IP address %s failed\n", buf); return -EADDRINUSE; } else { - addr = qeth_l3_get_addr_buffer(tmp_addr->proto); + addr = kmemdup(tmp_addr, sizeof(*tmp_addr), GFP_KERNEL); if (!addr) return -ENOMEM; - memcpy(addr, tmp_addr, sizeof(struct qeth_ipaddr)); - addr->ref_counter = 1; - if (qeth_l3_is_addr_covered_by_ipato(card, addr)) { QETH_CARD_TEXT(card, 2, "tkovaddr"); addr->ipato = 1; @@ -1115,11 +1103,11 @@ qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) static int qeth_l3_add_mcast_rtnl(struct net_device *dev, int vid, void *arg) { - struct qeth_ipaddr *tmp = NULL; struct qeth_card *card = arg; struct inet6_dev *in6_dev; struct in_device *in4_dev; struct qeth_ipaddr *ipm; + struct qeth_ipaddr tmp; struct ip_mc_list *im4; struct ifmcaddr6 *im6; @@ -1128,34 +1116,31 @@ static int qeth_l3_add_mcast_rtnl(struct net_device *dev, int vid, void *arg) if (!dev || !(dev->flags & IFF_UP)) goto out; - tmp = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); - if (!tmp) - goto out; - in4_dev = __in_dev_get_rtnl(dev); if (!in4_dev) goto walk_ipv6; + qeth_l3_init_ipaddr(&tmp, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV4); + tmp.disp_flag = QETH_DISP_ADDR_ADD; + tmp.is_multicast = 1; + for (im4 = rtnl_dereference(in4_dev->mc_list); im4 != NULL; im4 = rtnl_dereference(im4->next_rcu)) { - tmp->u.a4.addr = im4->multiaddr; - tmp->is_multicast = 1; + tmp.u.a4.addr = im4->multiaddr; - ipm = qeth_l3_find_addr_by_ip(card, tmp); + ipm = qeth_l3_find_addr_by_ip(card, &tmp); if (ipm) { /* for mcast, by-IP match means full match */ ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING; - } else { - ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); - if (!ipm) - continue; - - ipm->u.a4.addr = im4->multiaddr; - ipm->is_multicast = 1; - ipm->disp_flag = QETH_DISP_ADDR_ADD; - hash_add(card->ip_mc_htable, - &ipm->hnode, qeth_l3_ipaddr_hash(ipm)); + continue; } + + ipm = kmemdup(&tmp, sizeof(tmp), GFP_KERNEL); + if (!ipm) + continue; + + hash_add(card->ip_mc_htable, &ipm->hnode, + qeth_l3_ipaddr_hash(ipm)); } walk_ipv6: @@ -1166,27 +1151,25 @@ walk_ipv6: if (!in6_dev) goto out; - qeth_l3_init_ipaddr(tmp, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV6); + qeth_l3_init_ipaddr(&tmp, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV6); + tmp.disp_flag = QETH_DISP_ADDR_ADD; + tmp.is_multicast = 1; read_lock_bh(&in6_dev->lock); for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { - tmp->u.a6.addr = im6->mca_addr; - tmp->is_multicast = 1; + tmp.u.a6.addr = im6->mca_addr; - ipm = qeth_l3_find_addr_by_ip(card, tmp); + ipm = qeth_l3_find_addr_by_ip(card, &tmp); if (ipm) { /* for mcast, by-IP match means full match */ ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING; continue; } - ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); + ipm = kmemdup(&tmp, sizeof(tmp), GFP_ATOMIC); if (!ipm) continue; - ipm->u.a6.addr = im6->mca_addr; - ipm->is_multicast = 1; - ipm->disp_flag = QETH_DISP_ADDR_ADD; hash_add(card->ip_mc_htable, &ipm->hnode, qeth_l3_ipaddr_hash(ipm)); @@ -1194,7 +1177,6 @@ walk_ipv6: read_unlock_bh(&in6_dev->lock); out: - kfree(tmp); return 0; } |