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@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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;