staging: ks7010: reduce level of indentation

Code is deeply nested. One level of indentation may be removed by
inverting if statement conditional.

Invert conditional, return if new conditional evaluates to true.
Signed-off-by: NTobin C. Harding <me@tobin.cc>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_hostif.c

@@ -323,7 +323,10 @@ int hostif_data_indication_wpa(struct ks_wlan_private *priv,
 	eth_hdr = (struct ether_hdr *)(priv->rxp);
 	eth_proto = ntohs(eth_hdr->h_proto);
 
-	if (memcmp(&eth_hdr->h_source[0], &priv->eth_addr[0], ETH_ALEN)) {	/* source address check */
+	/* source address check */
+	if (!memcmp(&eth_hdr->h_source[0], &priv->eth_addr[0], ETH_ALEN))
+		return 0;
+
 	if (eth_hdr->h_dest_snap != eth_hdr->h_source_snap) {
 		DPRINTK(1, "invalid data format\n");
 		priv->nstats.rx_errors++;
@@ -395,7 +398,6 @@ int hostif_data_indication_wpa(struct ks_wlan_private *priv,
 
 		}
 	}
-	}
 	return 0;
 }