net: cosmetic: eth.c checkpatch compliance

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>

net/eth.c

@@ -87,7 +87,7 @@ static struct {
 	int length;
 } eth_rcv_bufs[PKTBUFSRX];
 
-static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
+static unsigned int eth_rcv_current, eth_rcv_last;
 #endif
 
 static struct eth_device *eth_devices, *eth_current;
@@ -139,11 +139,10 @@ struct eth_device *eth_get_dev_by_index(int index)
 	return target_dev;
 }
 
-int eth_get_dev_index (void)
+int eth_get_dev_index(void)
 {
-	if (!eth_current) {
+	if (!eth_current)
 		return -1;
-	}
 
 	return eth_current->index;
 }
@@ -174,7 +173,7 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
 
 	if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
 		if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
-			memcmp(dev->enetaddr, env_enetaddr, 6)) {
+				memcmp(dev->enetaddr, env_enetaddr, 6)) {
 			printf("\nWarning: %s MAC addresses don't match:\n",
 				dev->name);
 			printf("Address in SROM is         %pM\n",
@@ -187,10 +186,9 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
 	}
 
 	if (dev->write_hwaddr &&
-		!eth_mac_skip(eth_number) &&
-		is_valid_ether_addr(dev->enetaddr)) {
+			!eth_mac_skip(eth_number) &&
+			is_valid_ether_addr(dev->enetaddr))
 		ret = dev->write_hwaddr(dev);
-	}
 
 	return ret;
 }
@@ -198,7 +196,7 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
 int eth_register(struct eth_device *dev)
 {
 	struct eth_device *d;
-	static int index = 0;
+	static int index;
 
 	assert(strlen(dev->name) < sizeof(dev->name));
 
@@ -206,7 +204,7 @@ int eth_register(struct eth_device *dev)
 		eth_current = eth_devices = dev;
 		eth_current_changed();
 	} else {
-		for (d=eth_devices; d->next!=eth_devices; d=d->next)
+		for (d = eth_devices; d->next != eth_devices; d = d->next)
 			;
 		d->next = dev;
 	}
@@ -276,36 +274,37 @@ int eth_initialize(bd_t *bis)
 		printf("Net Initialization Skipped\n");
 
 	if (!eth_devices) {
-		puts ("No ethernet found.\n");
+		puts("No ethernet found.\n");
 		bootstage_error(BOOTSTAGE_ID_NET_ETH_START);
 	} else {
 		struct eth_device *dev = eth_devices;
-		char *ethprime = getenv ("ethprime");
+		char *ethprime = getenv("ethprime");
 
 		bootstage_mark(BOOTSTAGE_ID_NET_ETH_INIT);
 		do {
 			if (dev->index)
-				puts (", ");
+				puts(", ");
 
 			printf("%s", dev->name);
 
-			if (ethprime && strcmp (dev->name, ethprime) == 0) {
+			if (ethprime && strcmp(dev->name, ethprime) == 0) {
 				eth_current = dev;
-				puts (" [PRIME]");
+				puts(" [PRIME]");
 			}
 
 			if (strchr(dev->name, ' '))
-				puts("\nWarning: eth device name has a space!\n");
+				puts("\nWarning: eth device name has a space!"
+					"\n");
 
 			if (eth_write_hwaddr(dev, "eth", dev->index))
 				puts("\nWarning: failed to set MAC address\n");
 
 			dev = dev->next;
 			num_devices++;
-		} while(dev != eth_devices);
+		} while (dev != eth_devices);
 
 		eth_current_changed();
-		putc ('\n');
+		putc('\n');
 	}
 
 	return num_devices;
@@ -316,9 +315,9 @@ int eth_initialize(bd_t *bis)
  * mcast_addr: multicast ipaddr from which multicast Mac is made
  * join: 1=join, 0=leave.
  */
-int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
+int eth_mcast_join(IPaddr_t mcast_ip, u8 join)
 {
- u8 mcast_mac[6];
+	u8 mcast_mac[6];
 	if (!eth_current || !eth_current->mcast)
 		return -1;
 	mcast_mac[5] = htonl(mcast_ip) & 0xff;
@@ -335,7 +334,7 @@ int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
  * some other adapter -- hash tables
  */
 #define CRCPOLY_LE 0xedb88320
-u32 ether_crc (size_t len, unsigned char const *p)
+u32 ether_crc(size_t len, unsigned char const *p)
 {
 	int i;
 	u32 crc;
@@ -362,7 +361,7 @@ int eth_init(bd_t *bis)
 	struct eth_device *old_current, *dev;
 
 	if (!eth_current) {
-		puts ("No ethernet found.\n");
+		puts("No ethernet found.\n");
 		return -1;
 	}
 
@@ -382,7 +381,7 @@ int eth_init(bd_t *bis)
 	do {
 		debug("Trying %s\n", eth_current->name);
 
-		if (eth_current->init(eth_current,bis) >= 0) {
+		if (eth_current->init(eth_current, bis) >= 0) {
 			eth_current->state = ETH_STATE_ACTIVE;
 
 			return 0;
@@ -470,38 +469,36 @@ int eth_receive(void *packet, int length)
 
 void eth_try_another(int first_restart)
 {
-	static struct eth_device *first_failed = NULL;
+	static struct eth_device *first_failed;
 	char *ethrotate;
 
 	/*
 	 * Do not rotate between network interfaces when
 	 * 'ethrotate' variable is set to 'no'.
 	 */
-	if (((ethrotate = getenv ("ethrotate")) != NULL) &&
-	    (strcmp(ethrotate, "no") == 0))
+	ethrotate = getenv("ethrotate");
+	if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0))
 		return;
 
 	if (!eth_current)
 		return;
 
-	if (first_restart) {
+	if (first_restart)
 		first_failed = eth_current;
-	}
 
 	eth_current = eth_current->next;
 
 	eth_current_changed();
 
-	if (first_failed == eth_current) {
+	if (first_failed == eth_current)
 		NetRestartWrap = 1;
-	}
 }
 
 void eth_set_current(void)
 {
-	static char *act = NULL;
-	static int  env_changed_id = 0;
-	struct eth_device* old_current;
+	static char *act;
+	static int  env_changed_id;
+	struct eth_device *old_current;
 	int	env_id;
 
 	if (!eth_current)	/* XXX no current */
@@ -524,7 +521,7 @@ void eth_set_current(void)
 	eth_current_changed();
 }
 
-char *eth_get_name (void)
+char *eth_get_name(void)
 {
-	return (eth_current ? eth_current->name : "unknown");
+	return eth_current ? eth_current->name : "unknown";
 }