2021-12-25 17:12:57

by Jiapeng Chong

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Subject: [PATCH] netfilter: conntrack: Use max() instead of doing it manually

Fix following coccicheck warning:

./include/net/netfilter/nf_conntrack.h:282:16-17: WARNING opportunity
for max().

Reported-by: Abaci Robot <[email protected]>
Signed-off-by: Jiapeng Chong <[email protected]>
---
include/net/netfilter/nf_conntrack.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 871489df63c6..a4a14f3a5e38 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -279,7 +279,7 @@ static inline unsigned long nf_ct_expires(const struct nf_conn *ct)
{
s32 timeout = READ_ONCE(ct->timeout) - nfct_time_stamp;

- return timeout > 0 ? timeout : 0;
+ return max(timeout, 0);
}

static inline bool nf_ct_is_expired(const struct nf_conn *ct)
--
2.20.1.7.g153144c



2022-01-09 22:32:09

by Pablo Neira Ayuso

[permalink] [raw]
Subject: Re: [PATCH] netfilter: conntrack: Use max() instead of doing it manually

On Sun, Dec 26, 2021 at 01:12:41AM +0800, Jiapeng Chong wrote:
> Fix following coccicheck warning:
>
> ./include/net/netfilter/nf_conntrack.h:282:16-17: WARNING opportunity
> for max().

Applied to nf-next.