drivers/net/wan: fix sparse warning: symbol shadows an earlier one

Impact: Rename function scope variable and while being at it fix some
coding style issues.

Fix this sparse warning:
  drivers/net/wan/sbni.c:1526:14: warning: symbol 'num' shadows an earlier one
  drivers/net/wan/sbni.c:160:13: originally declared here

Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 8 deletions

diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c
index 0aa28e1d4366..78f7bc92cbe8 100644
--- a/drivers/net/wan/sbni.c
+++ b/drivers/net/wan/sbni.c
@@ -1520,17 +1520,18 @@ int __init init_module( void )
 }
 
 void
-cleanup_module( void )
+cleanup_module(void)
 {
-        struct net_device  *dev;
-        int  num;
+        int i;
 
-        for( num = 0;  num < SBNI_MAX_NUM_CARDS;  ++num )
-                if( (dev = sbni_cards[ num ]) != NULL ) {
-                        unregister_netdev( dev );
-                        release_region( dev->base_addr, SBNI_IO_EXTENT );
-                        free_netdev( dev );
+        for (i = 0;  i < SBNI_MAX_NUM_CARDS;  ++i) {
+                struct net_device *dev = sbni_cards[i];
+                if (dev != NULL) {
+                        unregister_netdev(dev);
+                        release_region(dev->base_addr, SBNI_IO_EXTENT);
+                        free_netdev(dev);
                 }
+        }
 }
 
 #else   /* MODULE */