summaryrefslogtreecommitdiff
path: root/drivers/s390/net/qeth_l3_main.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2011-11-21 13:50:33 -0500
committerDavid S. Miller <davem@davemloft.net>2011-11-21 13:50:33 -0500
commitefd0bf97deeddd9ba53daabfc470a1399c6b0b2d (patch)
treeeec56da5fbc796bac7c67f1990a18f5e0a304059 /drivers/s390/net/qeth_l3_main.c
parentf8a15af093b19b86d56933c8757cee298d0f32a8 (diff)
parent6fe4c6d466e95d31164f14b1ac4aefb51f0f4f82 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The forcedeth changes had a conflict with the conversion over to atomic u64 statistics in net-next. The libertas cfg.c code had a conflict with the bss reference counting fix by John Linville in net-next. Conflicts: drivers/net/ethernet/nvidia/forcedeth.c drivers/net/wireless/libertas/cfg.c
Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
-rw-r--r--drivers/s390/net/qeth_l3_main.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index a64f9e789b0a..63578925bc59 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2756,11 +2756,13 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
struct neighbour *n = NULL;
struct dst_entry *dst;
+ rcu_read_lock();
dst = skb_dst(skb);
if (dst)
n = dst_get_neighbour(dst);
if (n) {
cast_type = n->type;
+ rcu_read_unlock();
if ((cast_type == RTN_BROADCAST) ||
(cast_type == RTN_MULTICAST) ||
(cast_type == RTN_ANYCAST))
@@ -2768,6 +2770,8 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
else
return RTN_UNSPEC;
}
+ rcu_read_unlock();
+
/* try something else */
if (skb->protocol == ETH_P_IPV6)
return (skb_network_header(skb)[24] == 0xff) ?
@@ -2847,6 +2851,8 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
}
hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+
+ rcu_read_lock();
dst = skb_dst(skb);
if (dst)
n = dst_get_neighbour(dst);
@@ -2893,6 +2899,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
}
}
+ rcu_read_unlock();
}
static inline void qeth_l3_hdr_csum(struct qeth_card *card,