[NETFILTER]: nf_log: make nf_log_unregister_pf return void
Since the only user of nf_log_unregister_pf (nfnetlink_log) doesn't check the return value, change it to void and bail out silently when a non-existant address family is supplied. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -172,7 +172,7 @@ struct nf_logger {
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/* Function to register/unregister log function. */
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int nf_log_register(int pf, struct nf_logger *logger);
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int nf_log_unregister_pf(int pf);
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void nf_log_unregister_pf(int pf);
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void nf_log_unregister_logger(struct nf_logger *logger);
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/* Calls the registered backend logging function */
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@ -40,19 +40,16 @@ int nf_log_register(int pf, struct nf_logger *logger)
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}
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EXPORT_SYMBOL(nf_log_register);
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int nf_log_unregister_pf(int pf)
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void nf_log_unregister_pf(int pf)
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{
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if (pf >= NPROTO)
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return -EINVAL;
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return;
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spin_lock(&nf_log_lock);
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rcu_assign_pointer(nf_logging[pf], NULL);
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spin_unlock(&nf_log_lock);
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/* Give time to concurrent readers. */
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synchronize_rcu();
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return 0;
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}
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EXPORT_SYMBOL(nf_log_unregister_pf);
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