ipmr: missing dev_put() on error path in vif_add()
The other error paths in front of this one have a dev_put() but this one got missed. Found by smatch static checker. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Wang Chen <ellre923@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -483,8 +483,10 @@ static int vif_add(struct net *net, struct vifctl *vifc, int mrtsock)
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return -EINVAL;
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return -EINVAL;
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}
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}
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if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
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if ((in_dev = __in_dev_get_rtnl(dev)) == NULL) {
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dev_put(dev);
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return -EADDRNOTAVAIL;
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return -EADDRNOTAVAIL;
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}
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IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++;
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IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++;
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ip_rt_multicast_event(in_dev);
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ip_rt_multicast_event(in_dev);
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