linux-kernel - [PATCH] xen-netback: Remove set but unused variable 'pending

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20221209034036.37280-1-jiapeng.chong@linux.alibaba.com>
Date:   Fri,  9 Dec 2022 11:40:36 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     wei.liu@...nel.org
Cc:     paul@....org, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, ast@...nel.org,
        daniel@...earbox.net, hawk@...nel.org, john.fastabend@...il.com,
        xen-devel@...ts.xenproject.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] xen-netback: Remove set but unused variable 'pending_idx'

Variable pending_idx is not effectively used in the function, so delete
it.

drivers/net/xen-netback/netback.c:886:7: warning: variable ‘pending_idx’ set but not used.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3399
Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/net/xen-netback/netback.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 054ac0e897f6..19d928389473 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -883,7 +883,6 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
 		struct xen_netif_tx_request txfrags[XEN_NETBK_LEGACY_SLOTS_MAX];
 		struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX-1];
 		unsigned int extra_count;
-		u16 pending_idx;
 		RING_IDX idx;
 		int work_to_do;
 		unsigned int data_len;
@@ -984,7 +983,6 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
 		}
 
 		index = pending_index(queue->pending_cons);
-		pending_idx = queue->pending_ring[index];
 
 		if (ret >= XEN_NETBK_LEGACY_SLOTS_MAX - 1 && data_len < txreq.size)
 			data_len = txreq.size;
-- 
2.20.1.7.g153144c