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authorJiri Pirko <jiri@resnulli.us>2013-01-01 03:30:14 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-03 22:37:35 -0800
commitf652151640344f8faee21fcf702b4fd46b8fe70b (patch)
treee14102323aec4459eee4f5f55a433675e575a396 /net/core/dev.c
parente7c3273ec2a04bbce27e0991c405fe6dc6811d7d (diff)
downloadlwn-f652151640344f8faee21fcf702b4fd46b8fe70b.tar.gz
lwn-f652151640344f8faee21fcf702b4fd46b8fe70b.zip
net: call add_device_randomness() only after successful mac change
Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 21c5b976dcf3..c85e32b30f04 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5020,10 +5020,11 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa)
if (!netif_device_present(dev))
return -ENODEV;
err = ops->ndo_set_mac_address(dev, sa);
- if (!err)
- call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+ if (err)
+ return err;
+ call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
add_device_randomness(dev->dev_addr, dev->addr_len);
- return err;
+ return 0;
}
EXPORT_SYMBOL(dev_set_mac_address);