From: Colin Ian King <colin.king@canonical.com>
Date: Mon, 11 Sep 2017 12:42:31 +0100
Subject: RDMA/cxgb3: remove redundant first assignement of sqp
Patch-mainline: v4.15-rc1
Git-commit: 3e4d6f91cae689b01865aedb71c1ad88a118084f
References: bsc#1046306 FATE#322942
sqp is being initialised when it is being declared and then updated
a little later on making the first initialization redundant. Clean
this up by initializing ptr and sqp at their declaration.
Cleans up warning: "warning: Value stored to 'sqp' during its
initialization is never read"
Fixes: a58e58fafdff ("RDMA/cxgb3: Wrap the software send queue pointer as needed on flush")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/cxgb3/cxio_hal.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -404,12 +404,10 @@ static void insert_sq_cqe(struct t3_wq *
int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count)
{
- __u32 ptr;
+ __u32 ptr = wq->sq_rptr + count;
int flushed = 0;
- struct t3_swsq *sqp = wq->sq + Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2);
+ struct t3_swsq *sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
- ptr = wq->sq_rptr + count;
- sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
while (ptr != wq->sq_wptr) {
sqp->signaled = 0;
insert_sq_cqe(wq, cq, sqp);