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>

diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
index 5209456edc3929f2fd6f00c57b1bc448fc1e6f23..4b166c66cfc58fbd5b6485e5a92bccb8cee5e5ee 100644 (file)
--- 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);