[PATCH v3 3/5] net: macb: Fix coding style suggestions

From: Moritz Fischer
Date: Sun Apr 03 2016 - 13:26:59 EST


This commit deals with a bunch of checkpatch suggestions
that without changing behavior make checkpatch happier.

Acked-by: Michal Simek <michal.simek@xxxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Signed-off-by: Moritz Fischer <moritz.fischer@xxxxxxxxx>
---
drivers/net/ethernet/cadence/macb.c | 46 +++++++++++++++++++------------------
1 file changed, 24 insertions(+), 22 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index f25681b..2ba0934 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -187,7 +187,7 @@ static void macb_get_hwaddr(struct macb *bp)

pdata = dev_get_platdata(&bp->pdev->dev);

- /* Check all 4 address register for vaild address */
+ /* Check all 4 address register for valid address */
for (i = 0; i < 4; i++) {
bottom = macb_or_gem_readl(bp, SA1B + i * 8);
top = macb_or_gem_readl(bp, SA1T + i * 8);
@@ -295,7 +295,7 @@ static void macb_set_tx_clk(struct clk *clk, int speed, struct net_device *dev)
ferr = DIV_ROUND_UP(ferr, rate / 100000);
if (ferr > 5)
netdev_warn(dev, "unable to generate target frequency: %ld Hz\n",
- rate);
+ rate);

if (clk_set_rate(clk, rate_rounded))
netdev_err(dev, "adjusting tx_clk failed.\n");
@@ -429,7 +429,7 @@ static int macb_mii_init(struct macb *bp)
macb_writel(bp, NCR, MACB_BIT(MPE));

bp->mii_bus = mdiobus_alloc();
- if (bp->mii_bus == NULL) {
+ if (!bp->mii_bus) {
err = -ENOMEM;
goto err_out;
}
@@ -438,7 +438,7 @@ static int macb_mii_init(struct macb *bp)
bp->mii_bus->read = &macb_mdio_read;
bp->mii_bus->write = &macb_mdio_write;
snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
- bp->pdev->name, bp->pdev->id);
+ bp->pdev->name, bp->pdev->id);
bp->mii_bus->priv = bp;
bp->mii_bus->parent = &bp->dev->dev;
pdata = dev_get_platdata(&bp->pdev->dev);
@@ -659,7 +659,7 @@ static void macb_tx_interrupt(struct macb_queue *queue)
queue_writel(queue, ISR, MACB_BIT(TCOMP));

netdev_vdbg(bp->dev, "macb_tx_interrupt status = 0x%03lx\n",
- (unsigned long)status);
+ (unsigned long)status);

head = queue->tx_head;
for (tail = queue->tx_tail; tail != head; tail++) {
@@ -728,10 +728,10 @@ static void gem_rx_refill(struct macb *bp)

bp->rx_prepared_head++;

- if (bp->rx_skbuff[entry] == NULL) {
+ if (!bp->rx_skbuff[entry]) {
/* allocate sk_buff for this free entry in ring */
skb = netdev_alloc_skb(bp->dev, bp->rx_buffer_size);
- if (unlikely(skb == NULL)) {
+ if (unlikely(!skb)) {
netdev_err(bp->dev,
"Unable to allocate sk_buff\n");
break;
@@ -765,7 +765,7 @@ static void gem_rx_refill(struct macb *bp)
wmb();

netdev_vdbg(bp->dev, "rx ring: prepared head %d, tail %d\n",
- bp->rx_prepared_head, bp->rx_tail);
+ bp->rx_prepared_head, bp->rx_tail);
}

/* Mark DMA descriptors from begin up to and not including end as unused */
@@ -879,8 +879,8 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag,
len = desc->ctrl & bp->rx_frm_len_mask;

netdev_vdbg(bp->dev, "macb_rx_frame frags %u - %u (len %u)\n",
- macb_rx_ring_wrap(first_frag),
- macb_rx_ring_wrap(last_frag), len);
+ macb_rx_ring_wrap(first_frag),
+ macb_rx_ring_wrap(last_frag), len);

/* The ethernet header starts NET_IP_ALIGN bytes into the
* first buffer. Since the header is 14 bytes, this makes the
@@ -922,7 +922,8 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag,
frag_len = len - offset;
}
skb_copy_to_linear_data_offset(skb, offset,
- macb_rx_buffer(bp, frag), frag_len);
+ macb_rx_buffer(bp, frag),
+ frag_len);
offset += bp->rx_buffer_size;
desc = macb_rx_desc(bp, frag);
desc->addr &= ~MACB_BIT(RX_USED);
@@ -940,7 +941,7 @@ static int macb_rx_frame(struct macb *bp, unsigned int first_frag,
bp->stats.rx_packets++;
bp->stats.rx_bytes += skb->len;
netdev_vdbg(bp->dev, "received skb of length %u, csum: %08x\n",
- skb->len, skb->csum);
+ skb->len, skb->csum);
netif_receive_skb(skb);

return 0;
@@ -1047,7 +1048,7 @@ static int macb_poll(struct napi_struct *napi, int budget)
work_done = 0;

netdev_vdbg(bp->dev, "poll: status = %08lx, budget = %d\n",
- (unsigned long)status, budget);
+ (unsigned long)status, budget);

work_done = bp->macbgem_ops.mog_rx(bp, budget);
if (work_done < budget) {
@@ -1262,7 +1263,7 @@ static unsigned int macb_tx_map(struct macb *bp,
}

/* Should never happen */
- if (unlikely(tx_skb == NULL)) {
+ if (unlikely(!tx_skb)) {
netdev_err(bp->dev, "BUG! empty skb!\n");
return 0;
}
@@ -1332,16 +1333,16 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)

#if defined(DEBUG) && defined(VERBOSE_DEBUG)
netdev_vdbg(bp->dev,
- "start_xmit: queue %hu len %u head %p data %p tail %p end %p\n",
- queue_index, skb->len, skb->head, skb->data,
- skb_tail_pointer(skb), skb_end_pointer(skb));
+ "start_xmit: queue %hu len %u head %p data %p tail %p end %p\n",
+ queue_index, skb->len, skb->head, skb->data,
+ skb_tail_pointer(skb), skb_end_pointer(skb));
print_hex_dump(KERN_DEBUG, "data: ", DUMP_PREFIX_OFFSET, 16, 1,
skb->data, 16, true);
#endif

/* Count how many TX buffer descriptors are needed to send this
* socket buffer: skb fragments of jumbo frames may need to be
- * splitted into many buffer descriptors.
+ * split into many buffer descriptors.
*/
count = DIV_ROUND_UP(skb_headlen(skb), bp->max_tx_length);
nr_frags = skb_shinfo(skb)->nr_frags;
@@ -1392,8 +1393,8 @@ static void macb_init_rx_buffer_size(struct macb *bp, size_t size)

if (bp->rx_buffer_size % RX_BUFFER_MULTIPLE) {
netdev_dbg(bp->dev,
- "RX buffer must be multiple of %d bytes, expanding\n",
- RX_BUFFER_MULTIPLE);
+ "RX buffer must be multiple of %d bytes, expanding\n",
+ RX_BUFFER_MULTIPLE);
bp->rx_buffer_size =
roundup(bp->rx_buffer_size, RX_BUFFER_MULTIPLE);
}
@@ -1416,7 +1417,7 @@ static void gem_free_rx_buffers(struct macb *bp)
for (i = 0; i < RX_RING_SIZE; i++) {
skb = bp->rx_skbuff[i];

- if (skb == NULL)
+ if (!skb)
continue;

desc = &bp->rx_ring[i];
@@ -1817,7 +1818,8 @@ static void macb_sethashtable(struct net_device *dev)
unsigned int bitnr;
struct macb *bp = netdev_priv(dev);

- mc_filter[0] = mc_filter[1] = 0;
+ mc_filter[0] = 0;
+ mc_filter[1] = 0;

netdev_for_each_mc_addr(ha, dev) {
bitnr = hash_get_index(ha->addr);
--
2.7.4