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RDMA/hns: ensure for-loop actually iterates and free's buffers

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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.

Detected by CoverityScan, CID#1463415 ("Operands don't affect result")

Fixes: a5073d6054 ("RDMA/hns: Add eq support of hip08")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Colin Ian King 2018-03-26 16:10:18 +01:00 committed by Jason Gunthorpe
parent c8d3bcbfc5
commit 38759d6175
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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@ -4383,7 +4383,7 @@ err_dma_alloc_buf:
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) {