drivers: net: ldpaa_eth: fix resource leak

if an error occurs in ldpaa_eth_init, need to free all resources
before returning the error.

Threfore, free net_dev before returning from ldpaa_eth_init.

Signed-off-by: Pankaj Bansal <pankaj.bansal@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c
index 73b7ba2..34253e3 100644
--- a/drivers/net/ldpaa_eth/ldpaa_eth.c
+++ b/drivers/net/ldpaa_eth/ldpaa_eth.c
@@ -1074,6 +1074,7 @@
 	priv = (struct ldpaa_eth_priv *)malloc(sizeof(struct ldpaa_eth_priv));
 	if (!priv) {
 		printf("ldpaa_eth_priv malloc() failed\n");
+		free(net_dev);
 		return -ENOMEM;
 	}
 	memset(priv, 0, sizeof(struct ldpaa_eth_priv));