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IB/hfi1: Check xchg returned value for queuing link down entry
authorSebastian Sanchez <[email protected]>
Sun, 13 Aug 2017 15:08:22 +0000 (08:08 -0700)
committerDoug Ledford <[email protected]>
Tue, 22 Aug 2017 18:22:37 +0000 (14:22 -0400)
commitb6422bc01259aea7e4e11f1cd052e80acdf1275b
treeeafcbe44eaa817b571e805429bcca9e5a9978280tree | snapshot
parent028e0a67ea679ff958176eac97d1319a8d685fadcommit | diff
IB/hfi1: Check xchg returned value for queuing link down entry

Check xchg returned value for queuing link down entry
to guarantee proper atomic value reads.

Fixes: 626c077c025f ("IB/hfi1: Prevent link down request double queuing")
Reviewed-by: Mike Marciniszyn <[email protected]>
Signed-off-by: Sebastian Sanchez <[email protected]>
Signed-off-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
drivers/infiniband/hw/hfi1/chip.c diff | blob | blame | history
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