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authorMatan Barak <matanb@mellanox.com>2015-10-15 18:38:48 +0300
committerDoug Ledford <dledford@redhat.com>2015-10-21 23:48:17 -0400
commitc2c6ff134596e2691de7506667b712bef93cb1f0 (patch)
tree32ad881d5c12c099985032f1003523ab03db43b8
parentba36e37fd3ca3dc8f215b14bcfdccf9f41b65767 (diff)
downloadop-kernel-dev-c2c6ff134596e2691de7506667b712bef93cb1f0.zip
op-kernel-dev-c2c6ff134596e2691de7506667b712bef93cb1f0.tar.gz
IB/cm: cm_init_av_by_path should find a GID by its netdevice
Previously, the CM has searched the cache for any sgid_index whose GID matches the path's GID. Since the path record stores the net device, the CM should now search only for GIDs which originated from this net device. Signed-off-by: Matan Barak <matanb@mellanox.com> Reviewed-By: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
-rw-r--r--drivers/infiniband/core/cm.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 2d8a0e4..db242bb 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -361,17 +361,21 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av)
unsigned long flags;
int ret;
u8 p;
+ struct net_device *ndev = ib_get_ndev_from_path(path);
read_lock_irqsave(&cm.device_lock, flags);
list_for_each_entry(cm_dev, &cm.device_list, list) {
if (!ib_find_cached_gid(cm_dev->ib_device, &path->sgid,
- NULL, &p, NULL)) {
+ ndev, &p, NULL)) {
port = cm_dev->port[p-1];
break;
}
}
read_unlock_irqrestore(&cm.device_lock, flags);
+ if (ndev)
+ dev_put(ndev);
+
if (!port)
return -EINVAL;
@@ -384,7 +388,6 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av)
ib_init_ah_from_path(cm_dev->ib_device, port->port_num, path,
&av->ah_attr);
av->timeout = path->packet_life_time + 1;
- memcpy(av->smac, path->smac, sizeof(av->smac));
av->valid = 1;
return 0;
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