diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-16 22:44:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-16 22:44:14 +0200 |
| commit | 1652a83fa494b12e20fc02a2cc3ddbcd75d53170 (patch) | |
| tree | 2aa6461f309916dfadb19ed9e30886f4ece11e39 /drivers/infiniband/core/cma.c | |
| parent | d6142b91e9cc249b3aa22c90fade67e2e2d52cdb (diff) | |
| parent | 7876320f88802b22d4e2daf7eb027dd14175a0f8 (diff) | |
Merge 4.19-rc4 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband/core/cma.c')
| -rw-r--r-- | drivers/infiniband/core/cma.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index f72677291b69..a36c94930c31 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -724,6 +724,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) dgid = (union ib_gid *) &addr->sib_addr; pkey = ntohs(addr->sib_pkey); + mutex_lock(&lock); list_for_each_entry(cur_dev, &dev_list, list) { for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) { if (!rdma_cap_af_ib(cur_dev->device, p)) @@ -750,18 +751,19 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) cma_dev = cur_dev; sgid = gid; id_priv->id.port_num = p; + goto found; } } } } - - if (!cma_dev) - return -ENODEV; + mutex_unlock(&lock); + return -ENODEV; found: cma_attach_to_dev(id_priv, cma_dev); - addr = (struct sockaddr_ib *) cma_src_addr(id_priv); - memcpy(&addr->sib_addr, &sgid, sizeof sgid); + mutex_unlock(&lock); + addr = (struct sockaddr_ib *)cma_src_addr(id_priv); + memcpy(&addr->sib_addr, &sgid, sizeof(sgid)); cma_translate_ib(addr, &id_priv->id.route.addr.dev_addr); return 0; } |