diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-30 16:25:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-30 16:25:02 -0800 |
| commit | 11d814a20166461358e1cefaf6bcd425698b8460 (patch) | |
| tree | d9f182f0ca2ad2e9cc6fe5506fcb56dac1211ac7 /drivers/infiniband/core/addr.c | |
| parent | c290b2f2b0187b5cd840b2c2803107a0207ebc2f (diff) | |
| parent | a493f1a24a496711d96b91c4dc0a1bd35eb6954b (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB: Fix RCU lockdep splats
IB/ipoib: Prevent hung task or softlockup processing multicast response
IB/qib: Fix over-scheduling of QSFP work
RDMA/cxgb4: Fix retry with MPAv1 logic for MPAv2
RDMA/cxgb4: Fix iw_cxgb4 count_rcqes() logic
IB/qib: Don't use schedule_work()
Diffstat (limited to 'drivers/infiniband/core/addr.c')
| -rw-r--r-- | drivers/infiniband/core/addr.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 691276bafd78..e9cf51b1343b 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -216,7 +216,9 @@ static int addr4_resolve(struct sockaddr_in *src_in, neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, rt->dst.dev); if (!neigh || !(neigh->nud_state & NUD_VALID)) { + rcu_read_lock(); neigh_event_send(dst_get_neighbour(&rt->dst), NULL); + rcu_read_unlock(); ret = -ENODATA; if (neigh) goto release; @@ -274,15 +276,16 @@ static int addr6_resolve(struct sockaddr_in6 *src_in, goto put; } + rcu_read_lock(); neigh = dst_get_neighbour(dst); if (!neigh || !(neigh->nud_state & NUD_VALID)) { if (neigh) neigh_event_send(neigh, NULL); ret = -ENODATA; - goto put; + } else { + ret = rdma_copy_addr(addr, dst->dev, neigh->ha); } - - ret = rdma_copy_addr(addr, dst->dev, neigh->ha); + rcu_read_unlock(); put: dst_release(dst); return ret; |