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Commit 17f15bf6 authored by Mike Marciniszyn's avatar Mike Marciniszyn Committed by Doug Ledford
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IB/hfi1: Fix pio wait counter double increment 



The code unconditionlly increments the pio wait counter
making the counter inacurate and unusable.

Fixes: 14553ca1 ("staging/rdma/hfi1: Adaptive PIO for short messages")
Reviewed-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 1ebe79c9

drivers/staging/rdma/hfi1/verbs.c

+0 −1
Original line number Diff line number Diff line
@@ -946,7 +946,6 @@ static int pio_wait(struct rvt_qp *qp, 


			dev->n_piowait += !!(flag & RVT_S_WAIT_PIO);

			dev->n_piodrain += !!(flag & RVT_S_WAIT_PIO_DRAIN);

			dev->n_piowait++;

			qp->s_flags |= flag;

			was_empty = list_empty(&sc->piowait);

			list_add_tail(&priv->s_iowait.list, &sc->piowait);