net: drivers: use bool type instead of double negation

Save some punctuation by using bool type's property equivalent to
doubled negation operator.

Reported-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 6 insertions, 6 deletions

diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index df3ab831b1ad..5c0b531949e2 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1883,7 +1883,7 @@ jme_fill_tx_map(struct pci_dev *pdev,
                 struct page *page,
                 u32 page_offset,
                 u32 len,
-                u8 hidma)
+                bool hidma)
 {
         dma_addr_t dmaaddr;
 
@@ -1917,7 +1917,7 @@ jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
         struct jme_ring *txring = &(jme->txring[0]);
         struct txdesc *txdesc = txring->desc, *ctxdesc;
         struct jme_buffer_info *txbi = txring->bufinf, *ctxbi;
-        u8 hidma = !!(jme->dev->features & NETIF_F_HIGHDMA);
+        bool hidma = jme->dev->features & NETIF_F_HIGHDMA;
         int i, nr_frags = skb_shinfo(skb)->nr_frags;
         int mask = jme->tx_ring_mask;
         const struct skb_frag_struct *frag;
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 157c5c17fdcc..43e3e6102149 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -1582,7 +1582,7 @@ static int
 mv643xx_eth_set_features(struct net_device *dev, netdev_features_t features)
 {
         struct mv643xx_eth_private *mp = netdev_priv(dev);
-        int rx_csum = !!(features & NETIF_F_RXCSUM);
+        bool rx_csum = features & NETIF_F_RXCSUM;
 
         wrlp(mp, PORT_CONFIG, rx_csum ? 0x02000000 : 0x00000000);
 
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index c79dc5447658..7db6e36ec4f9 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4313,7 +4313,7 @@ static int sky2_set_features(struct net_device *dev, netdev_features_t features)
         netdev_features_t changed = dev->features ^ features;
 
         if (changed & NETIF_F_RXCSUM) {
-                int on = !!(features & NETIF_F_RXCSUM);
+                bool on = features & NETIF_F_RXCSUM;
                 sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
                              on ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
         }
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index a6e379fbf377..4312db8cdeab 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -201,9 +201,9 @@ static void xennet_sysfs_delif(struct net_device *netdev);
 #define xennet_sysfs_delif(dev) do { } while (0)
 #endif
 
-static int xennet_can_sg(struct net_device *dev)
+static bool xennet_can_sg(struct net_device *dev)
 {
-        return !!(dev->features & NETIF_F_SG);
+        return dev->features & NETIF_F_SG;
 }