[U-Boot] [PATCH v2 16/21] net: cosmetic: Rename "x" to "eth_proto"

Joe Hershberger joe.hershberger at ni.com
Wed Mar 28 01:42:47 CEST 2012


x is a poor variable name

Signed-off-by: Joe Hershberger <joe.hershberger at ni.com>
Cc: Joe Hershberger <joe.hershberger at gmail.com>
Cc: Simon Glass <sjg at chromium.org>
Cc: Mike Frysinger <vapier at gentoo.org>
---
Changes for v2:
   - Split from "Improve variable names and code readability"

 net/net.c |   24 ++++++++++++------------
 1 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/net/net.c b/net/net.c
index cac540a..aa1ae05 100644
--- a/net/net.c
+++ b/net/net.c
@@ -857,9 +857,9 @@ NetReceive(uchar *inpkt, int len)
 {
 	struct Ethernet_hdr *et;
 	struct IP_UDP_hdr *ip;
-	IPaddr_t tmp;
+	IPaddr_t dst_ip;
 	IPaddr_t src_ip;
-	int	x;
+	int eth_proto;
 #if defined(CONFIG_CMD_CDP)
 	int iscdp;
 #endif
@@ -894,22 +894,22 @@ NetReceive(uchar *inpkt, int len)
 	if (mynvlanid == (ushort)-1)
 		mynvlanid = VLAN_NONE;
 
-	x = ntohs(et->et_protlen);
+	eth_proto = ntohs(et->et_protlen);
 
 	debug("packet received\n");
 
-	if (x < 1514) {
+	if (eth_proto < 1514) {
 		struct E802_hdr *et802 = (struct E802_hdr *)et;
 		/*
 		 *	Got a 802.2 packet.  Check the other protocol field.
 		 *	XXX VLAN over 802.2+SNAP not implemented!
 		 */
-		x = ntohs(et802->et_prot);
+		eth_proto = ntohs(et802->et_prot);
 
 		ip = (struct IP_UDP_hdr *)(inpkt + E802_HDR_SIZE);
 		len -= E802_HDR_SIZE;
 
-	} else if (x != PROT_VLAN) {	/* normal packet */
+	} else if (eth_proto != PROT_VLAN) {	/* normal packet */
 		ip = (struct IP_UDP_hdr *)(inpkt + ETHER_HDR_SIZE);
 		len -= ETHER_HDR_SIZE;
 
@@ -933,13 +933,13 @@ NetReceive(uchar *inpkt, int len)
 
 		cti = ntohs(vet->vet_tag);
 		vlanid = cti & VLAN_IDMASK;
-		x = ntohs(vet->vet_type);
+		eth_proto = ntohs(vet->vet_type);
 
 		ip = (struct IP_UDP_hdr *)(inpkt + VLAN_ETHER_HDR_SIZE);
 		len -= VLAN_ETHER_HDR_SIZE;
 	}
 
-	debug("Receive from protocol 0x%x\n", x);
+	debug("Receive from protocol 0x%x\n", eth_proto);
 
 #if defined(CONFIG_CMD_CDP)
 	if (iscdp) {
@@ -956,7 +956,7 @@ NetReceive(uchar *inpkt, int len)
 			return;
 	}
 
-	switch (x) {
+	switch (eth_proto) {
 
 	case PROT_ARP:
 		ArpReceive(et, ip, len);
@@ -995,10 +995,10 @@ NetReceive(uchar *inpkt, int len)
 			return;
 		}
 		/* If it is not for us, ignore it */
-		tmp = NetReadIP(&ip->ip_dst);
-		if (NetOurIP && tmp != NetOurIP && tmp != 0xFFFFFFFF) {
+		dst_ip = NetReadIP(&ip->ip_dst);
+		if (NetOurIP && dst_ip != NetOurIP && dst_ip != 0xFFFFFFFF) {
 #ifdef CONFIG_MCAST_TFTP
-			if (Mcast_addr != tmp)
+			if (Mcast_addr != dst_ip)
 #endif
 				return;
 		}
-- 
1.6.0.2



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