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| author |   Jiri Kosina <jkosina@suse.cz> | 2018-08-20 18:05:17 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2018-08-20 18:05:17 +0200 |
| commit | 415d2b3392d7a80903e0f97f051201aa02bf20e9 (patch) | |
| tree | 47492d2386a0e7f00ef645313cb44ae4960b7e7e /net/netfilter/nf_conntrack_helper.c | |
| parent | HID: hiddev: fix potential Spectre v1 (diff) | |
| parent | HID: cougar: Add support for the Cougar 500k Gaming Keyboard (diff) | |
| download | linux-dev-415d2b3392d7a80903e0f97f051201aa02bf20e9.tar.xz linux-dev-415d2b3392d7a80903e0f97f051201aa02bf20e9.zip | |
Merge branch 'for-4.19/cougar' into for-linus
New device support for hid-cougar
Diffstat (limited to 'net/netfilter/nf_conntrack_helper.c')
| -rw-r--r-- | net/netfilter/nf_conntrack_helper.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index 551a1eddf0fa..a75b11c39312 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -465,6 +465,11 @@ void nf_conntrack_helper_unregister(struct nf_conntrack_helper *me) nf_ct_expect_iterate_destroy(expect_iter_me, NULL); nf_ct_iterate_destroy(unhelp, me); + + /* Maybe someone has gotten the helper already when unhelp above. + * So need to wait it. + */ + synchronize_rcu(); } EXPORT_SYMBOL_GPL(nf_conntrack_helper_unregister); |