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authorStephen Hemminger <shemminger@vyatta.com>2008-10-20 06:33:56 (GMT)
committerDavid S. Miller <davem@davemloft.net>2008-10-20 06:33:56 (GMT)
commit92845ffd2a221f9f90b064ac55bb010bf27a193f (patch)
tree5679281371a62d229c1ebb9ad6f9d59ffdeb014a /net/core
parent0537ae6a3d7d6d9005446ee6419272fd4c38a58d (diff)
downloadlinux-92845ffd2a221f9f90b064ac55bb010bf27a193f.tar.xz
netdev: change name dropping error codes
If changename notifier returns an error code, it gets incorrectly cleared during rollback so the error is never returned to the user. Found while testing similar code for MTU changes. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 868ec0b..b8a4fd0 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -924,10 +924,10 @@ int dev_change_name(struct net_device *dev, const char *newname)
strlcpy(dev->name, newname, IFNAMSIZ);
rollback:
- err = device_rename(&dev->dev, dev->name);
- if (err) {
+ ret = device_rename(&dev->dev, dev->name);
+ if (ret) {
memcpy(dev->name, oldname, IFNAMSIZ);
- return err;
+ return ret;
}
write_lock_bh(&dev_base_lock);