Commit c2be9dc0 authored Feb 05, 2015 by Ilya Nelkenbaum Committed by Roland Dreier Feb 17, 2015

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



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: dd5f03be ("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>

parent bfa76d49

drivers/infiniband/core/ucma.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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)