netdev - [PATCH] bpf: Simplify the calculation of variables

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Message-Id: <1614756035-111280-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Wed,  3 Mar 2021 15:20:35 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     ast@...nel.org
Cc:     daniel@...earbox.net, andrii@...nel.org, kafai@...com,
        songliubraving@...com, yhs@...com, john.fastabend@...il.com,
        kpsingh@...nel.org, netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] bpf: Simplify the calculation of variables

Fix the following coccicheck warnings:

./tools/bpf/bpf_dbg.c:1201:55-57: WARNING !A || A && B is equivalent to
!A || B.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 tools/bpf/bpf_dbg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/bpf/bpf_dbg.c b/tools/bpf/bpf_dbg.c
index a07dfc4..00e560a 100644
--- a/tools/bpf/bpf_dbg.c
+++ b/tools/bpf/bpf_dbg.c
@@ -1198,7 +1198,7 @@ static int cmd_run(char *num)
 		else
 			return CMD_OK;
 		bpf_reset();
-	} while (pcap_next_pkt() && (!has_limit || (has_limit && ++i < pkts)));
+	} while (pcap_next_pkt() && (!has_limit || (++i < pkts)));
 
 	rl_printf("bpf passes:%u fails:%u\n", pass, fail);
 
-- 
1.8.3.1