Messages in this thread | | | Subject | Re: [PATCH] RDMA/hns: ensure for-loop actually iterates and free's buffers | From | "Liuyixian (Eason)" <> | Date | Tue, 27 Mar 2018 15:14:36 +0800 |
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On 2018/3/26 23:10, Colin King wrote: > From: Colin Ian King <colin.king@canonical.com> > > The current for-loop zeros variable i and only loops once, hence > not all the buffers are free'd. Fix this by setting i correctly.
Hi Colin,
Thank you very much for this patch! It's a typo when I prepared the patch set.
Reviewed-by: Yixian Liu <liuyixian@huawei.com>
> > Detected by CoverityScan, CID#1463415 ("Operands don't affect result") > > Fixes: a5073d6054f7 ("RDMA/hns: Add eq support of hip08") > Signed-off-by: Colin Ian King <colin.king@canonical.com> > --- > drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c > index 684c2d1a0ed0..8b84ab7800d8 100644 > --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c > +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c > @@ -4391,7 +4391,7 @@ static int hns_roce_mhop_alloc_eq(struct hns_roce_dev *hr_dev, > eq->l0_dma = 0; > > if (mhop_num == 1) > - for (i -= i; i >= 0; i--) > + for (i -= 1; i >= 0; i--) > dma_free_coherent(dev, buf_chk_sz, eq->buf[i], > eq->buf_dma[i]); > else if (mhop_num == 2) { >
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