net: constify eth_get_byname argument

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/eth.c b/net/eth.c
index 37dd9e087d..ba9e40b3f6 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -144,7 +144,7 @@ struct eth_device * eth_get_current(void)
 	return eth_current;
 }
 
-struct eth_device *eth_get_byname(char *ethname)
+struct eth_device *eth_get_byname(const char *ethname)
 {
 	struct eth_device *edev;