qlcnic: fix memory leaks

Fixes memory leak in error path when memory allocation
for adapter data structures fails.

Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlcnic/qlcnic_ctx.c b/drivers/net/qlcnic/qlcnic_ctx.c
index 0a6a399..c2c1f5c 100644
--- a/drivers/net/qlcnic/qlcnic_ctx.c
+++ b/drivers/net/qlcnic/qlcnic_ctx.c
@@ -421,7 +421,8 @@
 
 	if (addr == NULL) {
 		dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto err_out_free;
 	}
 
 	tx_ring->desc_head = (struct cmd_desc_type0 *)addr;