linux-kernel - [PATCH] bna: Remove unnecessary self assignment

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 for Android: free password hash cracker in your pocket

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

Date:   Thu, 20 Sep 2018 15:24:59 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Rasesh Mody <rasesh.mody@...ium.com>,
        Sudarsana Kalluru <sudarsana.kalluru@...ium.com>,
        Dept-GELinuxNICDev@...ium.com,
        "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH] bna: Remove unnecessary self assignment

Clang warns when a variable is assigned to itself.

drivers/net/ethernet/brocade/bna/bna_enet.c:1800:9: warning: explicitly
assigning value of variable of type 'int' to itself [-Wself-assign]
        for (i = i; i < (bna->ioceth.attr.num_ucmac * 2); i++)
             ~ ^ ~
drivers/net/ethernet/brocade/bna/bna_enet.c:1835:9: warning: explicitly
assigning value of variable of type 'int' to itself [-Wself-assign]
        for (i = i; i < (bna->ioceth.attr.num_mcmac * 2); i++)
             ~ ^ ~
2 warnings generated.

Link: https://github.com/ClangBuiltLinux/linux/issues/110
Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
---
 drivers/net/ethernet/brocade/bna/bna_enet.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/brocade/bna/bna_enet.c b/drivers/net/ethernet/brocade/bna/bna_enet.c
index bba81735ce87..6d2d4527357c 100644
--- a/drivers/net/ethernet/brocade/bna/bna_enet.c
+++ b/drivers/net/ethernet/brocade/bna/bna_enet.c
@@ -1797,7 +1797,7 @@ bna_ucam_mod_init(struct bna_ucam_mod *ucam_mod, struct bna *bna,
 
 	/* A separate queue to allow synchronous setting of a list of MACs */
 	INIT_LIST_HEAD(&ucam_mod->del_q);
-	for (i = i; i < (bna->ioceth.attr.num_ucmac * 2); i++)
+	for (; i < (bna->ioceth.attr.num_ucmac * 2); i++)
 		list_add_tail(&ucam_mod->ucmac[i].qe, &ucam_mod->del_q);
 
 	ucam_mod->bna = bna;
@@ -1832,7 +1832,7 @@ bna_mcam_mod_init(struct bna_mcam_mod *mcam_mod, struct bna *bna,
 
 	/* A separate queue to allow synchronous setting of a list of MACs */
 	INIT_LIST_HEAD(&mcam_mod->del_q);
-	for (i = i; i < (bna->ioceth.attr.num_mcmac * 2); i++)
+	for (; i < (bna->ioceth.attr.num_mcmac * 2); i++)
 		list_add_tail(&mcam_mod->mcmac[i].qe, &mcam_mod->del_q);
 
 	mcam_mod->bna = bna;
-- 
2.19.0