[U-Boot] [PATCH] net: e1000: Add initialized eth_device & e1000_hw structure

[Kumar Gala]

nic and hw structures are allocated via malloc i.e. return memory
is not zero initialized. Because of this few structure member like
"function pointers" are initialized with garbage values.

It may cause problem. for eg. during eth_initialize, dev->write_hwaddr
is used.

Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---
 drivers/net/e1000.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 2825342..911eb2c 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -5177,7 +5177,21 @@ e1000_initialize(bd_t * bis)
 		}
 
 		nic = (struct eth_device *) malloc(sizeof (*nic));
+		if (!nic) {
+			printf("Error: e1000 - Can not alloc memory\n");
+			return 0;
+		}
+
 		hw = (struct e1000_hw *) malloc(sizeof (*hw));
+		if (!nic) {
+			free(nic);
+			printf("Error: e1000 - Can not alloc memory\n");
+			return 0;
+		}
+
+		memset(nic, 0, sizeof(*dev));
+		memset(hw, 0, sizeof(*hw));
+
 		hw->pdev = devno;
 		nic->priv = hw;
 
-- 
1.7.2.3