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-rw-r--r--drivers/infiniband/sw/rdmavt/rc.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/infiniband/sw/rdmavt/rc.c b/drivers/infiniband/sw/rdmavt/rc.c
index 977906cc0d11..c58735f4c94a 100644
--- a/drivers/infiniband/sw/rdmavt/rc.c
+++ b/drivers/infiniband/sw/rdmavt/rc.c
@@ -127,9 +127,7 @@ __be32 rvt_compute_aeth(struct rvt_qp *qp)
* not atomic, which is OK, since the fuzziness is
* resolved as further ACKs go out.
*/
- credits = head - tail;
- if ((int)credits < 0)
- credits += qp->r_rq.size;
+ credits = rvt_get_rq_count(&qp->r_rq, head, tail);
}
/*
* Binary search the credit table to find the code to