From: Koen Vandeputte Date: Mon, 12 Aug 2019 10:18:15 +0000 (+0200) Subject: ar71xx/ath79: ag71xx: dont fetch the same var again X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=81d0da118694feb874f992093063a2852285d194;p=openwrt%2Fstaging%2Fzorun.git 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 --- 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 ee703a48bf..ebbe8a7472 100644 --- 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 f8f19c6e41..0924b81b92 100644 --- 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;