Commit cbebc51f authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller

[NETFILTER]: xt_hashlimit should use time_after_eq()

In order to avoid jiffies wraparound and its effect, special care must
be taken
when doing comparisons ...
Signed-off-by: default avatarEric Dumazet <dada1@cosmosbay.com>
Acked-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9ab4c954
...@@ -240,7 +240,7 @@ static bool select_all(const struct xt_hashlimit_htable *ht, ...@@ -240,7 +240,7 @@ static bool select_all(const struct xt_hashlimit_htable *ht,
static bool select_gc(const struct xt_hashlimit_htable *ht, static bool select_gc(const struct xt_hashlimit_htable *ht,
const struct dsthash_ent *he) const struct dsthash_ent *he)
{ {
return jiffies >= he->expires; return time_after_eq(jiffies, he->expires);
} }
static void htable_selective_cleanup(struct xt_hashlimit_htable *ht, static void htable_selective_cleanup(struct xt_hashlimit_htable *ht,
......
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