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IB/core: When marshaling ucma path from user-space, clear unused fields

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When marshaling a user path to the kernel struct ib_sa_path, we need
to zero smac and dmac and set the vlan id to the "no vlan" value.

This is to ensure that Ethernet attributes are not used with
InfiniBand QPs.

Fixes: dd5f03beb4f7 ("IB/core: Ethernet L2 attributes in verbs/cm structures")
Signed-off-by: Ilya Nelkenbaum <ilyan@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Ilya Nelkenbaum 2015-02-05 13:53:48 +02:00 committed by Roland Dreier
parent bfa76d4957
commit c2be9dc0e0
1 changed files with 3 additions and 0 deletions
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3
drivers/infiniband/core/ucma.c
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@ -1124,6 +1124,9 @@ static int ucma_set_ib_path(struct ucma_context *ctx,
if (!optlen)
return -EINVAL;
memset(&sa_path, 0, sizeof(sa_path));
sa_path.vlan_id = 0xffff;
ib_sa_unpack_path(path_data->path_rec, &sa_path);
ret = rdma_set_ib_paths(ctx->cm_id, &sa_path, 1);
if (ret)