From e885439f37b0dce404291350f7c0368c2bb97cdb Mon Sep 17 00:00:00 2001 From: =?utf8?q?Antoine=20T=C3=A9nart?= Date: Fri, 3 Oct 2014 17:08:19 +0200 Subject: [PATCH] net: pxa168_eth: avoid using signed char for bitops Signedness bugs may occur when using signed char for bitops, depending on if the highest bit is ever used. Signed-off-by: Antoine Tenart Reported-by: Dan Carpenter Signed-off-by: David S. Miller --- drivers/net/ethernet/marvell/pxa168_eth.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index 24de41231593..c3b209cd0660 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -634,12 +634,12 @@ static int pxa168_eth_set_mac_address(struct net_device *dev, void *addr) memcpy(oldMac, dev->dev_addr, ETH_ALEN); memcpy(dev->dev_addr, sa->sa_data, ETH_ALEN); - mac_h = sa->sa_data[0] << 24; - mac_h |= sa->sa_data[1] << 16; - mac_h |= sa->sa_data[2] << 8; - mac_h |= sa->sa_data[3]; - mac_l = sa->sa_data[4] << 8; - mac_l |= sa->sa_data[5]; + mac_h = dev->dev_addr[0] << 24; + mac_h |= dev->dev_addr[1] << 16; + mac_h |= dev->dev_addr[2] << 8; + mac_h |= dev->dev_addr[3]; + mac_l = dev->dev_addr[4] << 8; + mac_l |= dev->dev_addr[5]; wrl(pep, MAC_ADDR_HIGH, mac_h); wrl(pep, MAC_ADDR_LOW, mac_l); -- 2.20.1