IB/core: For multicast functions, verify that LIDs are multicast LIDs

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The Infiniband spec defines "A multicast address is defined by a
MGID and a MLID" (section 10.5).  Currently the MLID value is not
validated.

Add check to verify that the MLID value is in the correct address
range.

Fixes: 0c33aeedb2 ("[IB] Add checks to multicast attach and detach")
Cc: stable@vger.kernel.org
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

...

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Michael J. Ruhl 2017-04-09 10:15:51 -07:00 • committed by Doug Ledford

parent 72fb70f5a3

commit 8561eae60f

1 changed files with 6 additions and 2 deletions

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8

drivers/infiniband/core/verbs.c

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