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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: 14553ca110 ("staging/rdma/hfi1: Adaptive PIO for short messages")
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Mike Marciniszyn 2016-05-12 10:22:57 -07:00 committed by Doug Ledford
parent 1ebe79c948
commit 17f15bf668
1 changed files with 0 additions and 1 deletions
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1
drivers/staging/rdma/hfi1/verbs.c
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@ -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);