From 40867a2fe1a1b079269db19e58444213132f6799 Mon Sep 17 00:00:00 2001 From: Anatolij Gustschin Date: Tue, 20 Dec 2011 07:36:39 +0000 Subject: [PATCH] drivers/net/e1000.c: Fix GCC 4.6 build warnings Fix: e1000.c: In function 'e1000_read_mac_addr': e1000.c:1149:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] e1000.c:1149:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] Signed-off-by: Anatolij Gustschin Cc: Kyle Moffett Acked-by: Kyle Moffett --- drivers/net/e1000.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c index 6b71bd9..e726f39 100644 --- a/drivers/net/e1000.c +++ b/drivers/net/e1000.c @@ -1146,7 +1146,7 @@ e1000_read_mac_addr(struct eth_device *nic) nic->enetaddr[5] ^= 1; #ifdef CONFIG_E1000_FALLBACK_MAC - if ( *(u32*)(nic->enetaddr) == 0 || *(u32*)(nic->enetaddr) == ~0 ) { + if (!is_valid_ether_addr(nic->enetaddr)) { unsigned char fb_mac[NODE_ADDRESS_SIZE] = CONFIG_E1000_FALLBACK_MAC; memcpy (nic->enetaddr, fb_mac, NODE_ADDRESS_SIZE);