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authorBinyi Han <dantengknight@gmail.com>2022-07-13 11:00:23 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-07-14 16:46:58 +0300
commit4cdb845db3217091737159908fcba1f643d818a1 (patch)
tree6ee368803dca4179004992499487f5aa6cfecc2d
parentf39b6c58d8550ddcbd9907fd0818990d0be384c4 (diff)
downloadlinux-4cdb845db3217091737159908fcba1f643d818a1.tar.xz
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> Link: https://lore.kernel.org/r/31fe21bf4a9e8f13cf27bd50073e9d5d197654ea.1657697683.git.dantengknight@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/staging/qlge/qlge_main.c14
1 files 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);