NULL noise in drivers/net

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/7990.c b/drivers/net/7990.c
index 224e0bf..750a46f 100644
--- a/drivers/net/7990.c
+++ b/drivers/net/7990.c
@@ -277,8 +277,6 @@
         volatile struct lance_init_block *ib = lp->init_block;
         volatile struct lance_rx_desc *rd;
         unsigned char bits;
-        int len = 0;                    /* XXX shut up gcc warnings */
-        struct sk_buff *skb = 0;        /* XXX shut up gcc warnings */
 #ifdef TEST_HITS
         int i;
 #endif
@@ -318,10 +316,10 @@
                         if (bits & LE_R1_FRA) dev->stats.rx_frame_errors++;
                         if (bits & LE_R1_EOP) dev->stats.rx_errors++;
                 } else {
-                        len = (rd->mblength & 0xfff) - 4;
-                        skb = dev_alloc_skb (len+2);
+			int len = (rd->mblength & 0xfff) - 4;
+			struct sk_buff *skb = dev_alloc_skb (len+2);
 
-                        if (skb == 0) {
+                        if (!skb) {
                                 printk ("%s: Memory squeeze, deferring packet.\n",
                                         dev->name);
                                 dev->stats.rx_dropped++;