netloop: updates for NetLoop

Fix some issues introduced from commit:
2f70c49e5b9813635ad73666aa30f304c7fdeda9
suggested by Mike Frysinger.

- added some comment for the env_id variable in common_cmd_nvedit.c
- moved some variables in fn scope instead of file scope
- NetInitLoop now static void

Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Ben Warren <biggerbadderben@gmail.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/net/net.c b/net/net.c
index b8648bd95..5637cf54f 100644
--- a/net/net.c
+++ b/net/net.c
@@ -209,8 +209,6 @@ uchar		NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN];
 ulong		NetArpWaitTimerStart;
 int		NetArpWaitTry;
 
-int		env_changed_id = 0;
-
 void ArpRequest (void)
 {
 	int i;
@@ -278,9 +276,10 @@ void ArpTimeoutCheck(void)
 	}
 }
 
-int
+static void
 NetInitLoop(proto_t protocol)
 {
+	static int env_changed_id = 0;
 	bd_t *bd = gd->bd;
 	int env_id = get_env_id ();
 
@@ -295,7 +294,7 @@ NetInitLoop(proto_t protocol)
 		env_changed_id = env_id;
 	}
 
-	return 0;
+	return;
 }
 
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