From ea9f3bc6d1d8e2c56225e5be912d035b04740682 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Wed, 14 Jul 2010 13:29:21 -0700 Subject: RDMA/nes: Rewrite expression to avoid undefined semantics Change code like x = expr(++x) that assigns to x twice without a sequence point in between to the intended (and well-defined) x = expr(x + 1) Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/infiniband/hw/nes/nes_hw.c') diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 57874a165083..f41d890956a1 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -1970,7 +1970,7 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic) dev_kfree_skb( nesvnic->nic.tx_skb[nesvnic->nic.sq_tail]); - nesvnic->nic.sq_tail = (++nesvnic->nic.sq_tail) + nesvnic->nic.sq_tail = (nesvnic->nic.sq_tail + 1) & (nesvnic->nic.sq_size - 1); } -- cgit v1.2.3