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authorMike Marciniszyn <mike.marciniszyn@intel.com>2016-05-12 17:22:57 (GMT)
committerDoug Ledford <dledford@redhat.com>2016-05-13 23:39:15 (GMT)
commit17f15bf66884b9e33c5005ee0149b039af8f7af2 (patch)
tree77308e38ae45f9b5313a4404e132cd36bbdab19f
parent1ebe79c9484bb1b9bd51b3dd6e82b8ff87ebaeba (diff)
downloadlinux-17f15bf66884b9e33c5005ee0149b039af8f7af2.tar.xz
IB/hfi1: Fix pio wait counter double increment
The code unconditionlly increments the pio wait counter making the counter inacurate and unusable. Fixes: 14553ca11039 ("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>
-rw-r--r--drivers/staging/rdma/hfi1/verbs.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/staging/rdma/hfi1/verbs.c b/drivers/staging/rdma/hfi1/verbs.c
index 9cdc85f..f3531fd 100644
--- a/drivers/staging/rdma/hfi1/verbs.c
+++ b/drivers/staging/rdma/hfi1/verbs.c
@@ -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);