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IB/core: When marshaling uverbs path, clear unused fields 

commit a59c5850f0 upstream.

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

Fixes: dd5f03beb4 ("IB/core: Ethernet L2 attributes in verbs/cm structures")
Reported-by: Aleksey Senin <alekseys@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matan Barak 2014-09-02 15:32:34 +03:00 committed by Greg Kroah-Hartman
parent cb264bf0c4
commit def258584a
1 changed files with 4 additions and 0 deletions
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4
drivers/infiniband/core/uverbs_marshall.c
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@ -140,5 +140,9 @@ void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst,
dst->packet_life_time = src->packet_life_time;
dst->preference = src->preference;
dst->packet_life_time_selector = src->packet_life_time_selector;
memset(dst->smac, 0, sizeof(dst->smac));
memset(dst->dmac, 0, sizeof(dst->dmac));
dst->vlan_id = 0xffff;
}
EXPORT_SYMBOL(ib_copy_path_rec_from_user);