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net_failover: fixed rollback in net_failover_open()
found by smatch:
drivers/net/net_failover.c:65 net_failover_open() error:
we previously assumed 'primary_dev' could be null (see line 43)
Fixes: cfc80d9a11
("net: Introduce net_failover driver")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
241d46dce9
commit
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1 changed files with 2 additions and 1 deletions
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@ -61,7 +61,8 @@ static int net_failover_open(struct net_device *dev)
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return 0;
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err_standby_open:
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dev_close(primary_dev);
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if (primary_dev)
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dev_close(primary_dev);
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err_primary_open:
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netif_tx_disable(dev);
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return err;
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