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Subject[PATCH v4 2/2] staging: qlge: Avoid multiplication while keep the same logic
Avoid the more expensive multiplication while keep the same logic.

Signed-off-by: Binyi Han <dantengknight@gmail.com>
---
drivers/staging/qlge/qlge_main.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
index 5209456edc39..4b166c66cfc5 100644
--- a/drivers/staging/qlge/qlge_main.c
+++ b/drivers/staging/qlge/qlge_main.c
@@ -3009,9 +3009,10 @@ static int qlge_start_rx_ring(struct qlge_adapter *qdev, struct rx_ring *rx_ring

for (page_entries = 0;
page_entries < MAX_DB_PAGES_PER_BQ(QLGE_BQ_LEN);
- page_entries++)
- base_indirect_ptr[page_entries] =
- cpu_to_le64(tmp + (page_entries * DB_PAGE_SIZE));
+ page_entries++) {
+ base_indirect_ptr[page_entries] = cpu_to_le64(tmp);
+ tmp += DB_PAGE_SIZE;
+ }
cqicb->lbq_addr = cpu_to_le64(rx_ring->lbq.base_indirect_dma);
cqicb->lbq_buf_size =
cpu_to_le16(QLGE_FIT16(qdev->lbq_buf_size));
@@ -3025,9 +3026,10 @@ static int qlge_start_rx_ring(struct qlge_adapter *qdev, struct rx_ring *rx_ring

for (page_entries = 0;
page_entries < MAX_DB_PAGES_PER_BQ(QLGE_BQ_LEN);
- page_entries++)
- base_indirect_ptr[page_entries] =
- cpu_to_le64(tmp + (page_entries * DB_PAGE_SIZE));
+ page_entries++) {
+ base_indirect_ptr[page_entries] = cpu_to_le64(tmp);
+ tmp += DB_PAGE_SIZE;
+ }
cqicb->sbq_addr =
cpu_to_le64(rx_ring->sbq.base_indirect_dma);
cqicb->sbq_buf_size = cpu_to_le16(SMALL_BUFFER_SIZE);
--
2.25.1
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