RDMA/uverbs: Fix the check for port number
authorIsmail, Mustafa <mustafa.ismail@intel.com>
Fri, 14 Jul 2017 14:41:30 +0000 (09:41 -0500)
committerDoug Ledford <dledford@redhat.com>
Thu, 20 Jul 2017 15:24:13 +0000 (11:24 -0400)
commit5a7a88f1b488e4ee49eb3d5b82612d4d9ffdf2c3
treed6af1ba339e228d7b3fe40c1b7555f43795b3577
parent963916fdb3e5ad4af57ac959b5a03bf23f7568ca
RDMA/uverbs: Fix the check for port number

The port number is only valid if IB_QP_PORT is set in the mask.
So only check port number if it is valid to prevent modify_qp from
failing due to an invalid port number.

Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds")
Cc: <stable@vger.kernel.org> # v2.6.14+
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Tested-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/core/uverbs_cmd.c