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(parent: 3d886aa) | patch
IB/hfi1: Ensure dd->gi_mask can not be overflowed
authorDennis Dalessandro <dennis.dalessandro@intel.com>
Tue, 30 May 2017 00:18:14 +0000 (17:18 -0700)
committerDoug Ledford <dledford@redhat.com>
Mon, 17 Jul 2017 15:39:45 +0000 (11:39 -0400)
commit91647f4c2d66e16b30524613410a638c2c4532bf
tree9a88b6ca6d6f4a84f4c008c43274ecb3d3ec7849tree | snapshot
parent3d886aa3be15439e05784ac1cbd4acc2f13c0048commit | diff
IB/hfi1: Ensure dd->gi_mask can not be overflowed

As the code stands today the array access in remap_intr() is OK. To
future proof the code though we should explicitly check to ensure the
index value is not outside of the valid range. This is not a straight
forward calculation so err on the side of caution.

Reviewed-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>
drivers/infiniband/hw/hfi1/chip.c diff | blob | history
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