ar71xx/ath79: ag71xx: dont fetch the same var again

tx_size was just declared above and set to BIT(tx->order)
Use the declaration instead, which could avoid a pointer deref

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
(cherry picked from commit 6852eab58236e3991f5d73f211018dfef01f2a64)

diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
index ee703a48bfa1b50d046fac2f6db4c72b4a50cc3b..ebbe8a7472252e979facb971be4198b1e15c4779 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
@@ -298,7 +298,7 @@ static int ag71xx_rings_init(struct ag71xx *ag)
                return -ENOMEM;
        }
 
-       rx->buf = &tx->buf[BIT(tx->order)];
+       rx->buf = &tx->buf[tx_size];
        rx->descs_cpu = ((void *)tx->descs_cpu) + tx_size * AG71XX_DESC_SIZE;
        rx->descs_dma = tx->descs_dma + tx_size * AG71XX_DESC_SIZE;
 

diff --git a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
index 5d2e8df29888a9290051b2a5016a7d5794fe05a6..b4ffa1154f67dad3069eaf5f75d5ff3a6cc83ccb 100644 (file)
--- a/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
+++ b/target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
@@ -284,7 +284,7 @@ static int ag71xx_rings_init(struct ag71xx *ag)
                return -ENOMEM;
        }
 
-       rx->buf = &tx->buf[BIT(tx->order)];
+       rx->buf = &tx->buf[tx_size];
        rx->descs_cpu = ((void *)tx->descs_cpu) + tx_size * AG71XX_DESC_SIZE;
        rx->descs_dma = tx->descs_dma + tx_size * AG71XX_DESC_SIZE;