[U-Boot] [PATCH] net: Get mac address from driver as seed

Jimmy Du jimmy.du at ni.com
Tue Jun 6 16:58:54 UTC 2017


Previously seeded by obtaining mac addr from env. If mac addr was
never set, rand would output 0. This fix obtains the mac addr
from driver instead.

Signed-off-by: Jimmy Du <jimmy.du at ni.com>
Acked-by: Joe Hershberger <joe.hershberger at ni.com>

---

 net/net_rand.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/net_rand.h b/net/net_rand.h
index ba9d064..4bf9bd8 100644
--- a/net/net_rand.h
+++ b/net/net_rand.h
@@ -16,11 +16,11 @@
  */
 static inline unsigned int seed_mac(void)
 {
-	unsigned char enetaddr[6];
+	unsigned char enetaddr[ARP_HLEN];
 	unsigned int seed;
 
 	/* get our mac */
-	eth_getenv_enetaddr("ethaddr", enetaddr);
+	memcpy(enetaddr, eth_get_ethaddr(), ARP_HLEN);
 
 	seed = enetaddr[5];
 	seed ^= enetaddr[4] << 8;
-- 
2.1.4



More information about the U-Boot mailing list