IB/hfi1: Split copy_to_user data copy for better security

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A copy_to_user() call assumes that two members of a data structure
are sequential.  Since this may not always be true, separate the copies
to ensure a safe copy.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

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Michael J. Ruhl 2017-07-24 07:46:42 -07:00 • committed by Doug Ledford

parent 5e2d6764a7

commit f13a6e5e2e

1 changed files with 5 additions and 3 deletions

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drivers/infiniband/hw/hfi1/file_ops.c

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