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| author |   Pablo Neira Ayuso <pablo@netfilter.org> | 2015-09-17 13:37:00 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-09-17 13:37:31 +0200 |
| commit | ad5001cc7cdf9aaee5eb213fdee657e4a3c94776 (patch) | |
| tree | 932ff61bca8893ca6c7ff034eca2a04298b817e7 /net | |
| parent | netfilter: nft_compat: skip family comparison in case of NFPROTO_UNSPEC (diff) | |
| download | linux-dev-ad5001cc7cdf9aaee5eb213fdee657e4a3c94776.tar.xz linux-dev-ad5001cc7cdf9aaee5eb213fdee657e4a3c94776.zip | |
netfilter: nf_log: wait for rcu grace after logger unregistration
The nf_log_unregister() function needs to call synchronize_rcu() to make sure
that the objects are not dereferenced anymore on module removal.
Fixes: 5962815a6a56 ("netfilter: nf_log: use an array of loggers instead of list")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nf_log.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c index a5ebd7d9c472..a5d41dfa9f05 100644 --- a/net/netfilter/nf_log.c +++ b/net/netfilter/nf_log.c @@ -117,6 +117,7 @@ void nf_log_unregister(struct nf_logger *logger) RCU_INIT_POINTER(loggers[i][logger->type], NULL); } mutex_unlock(&nf_log_mutex); + synchronize_rcu(); } EXPORT_SYMBOL(nf_log_unregister); |