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authorPablo Neira Ayuso <pablo@netfilter.org>2021-07-05 20:14:21 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2021-07-06 14:15:13 +0200
commitd1b5b80da7058883758df2b5b7f506d4d4f9a5fa (patch)
treea7c84f4408e02290db52edb124f54746ffe307b4 /net/netfilter
parent6ac4bac4ce48604cf0f4b04d61884552520ca55e (diff)
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netfilter: nft_last: incorrect arithmetics when restoring last used
Subtract the jiffies that have passed by to current jiffies to fix last used restoration. Fixes: 836382dc2471 ("netfilter: nf_tables: add last expression") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nft_last.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/nft_last.c b/net/netfilter/nft_last.c
index bbb352b64c73..8088b99f2ee3 100644
--- a/net/netfilter/nft_last.c
+++ b/net/netfilter/nft_last.c
@@ -37,7 +37,7 @@ static int nft_last_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
if (err < 0)
return err;
- priv->last_jiffies = jiffies + (unsigned long)last_jiffies;
+ priv->last_jiffies = jiffies - (unsigned long)last_jiffies;
}
return 0;