net: bonding: fix tlb_dynamic_lb default value

Commit 8b426dc54cf4 ("bonding: remove hardcoded value") changed the
default value for tlb_dynamic_lb which lead to either broken ALB mode
(since tlb_dynamic_lb can be changed only in TLB) or setting TLB mode
with tlb_dynamic_lb equal to 0.
The first issue was recently fixed by setting tlb_dynamic_lb to 1 always
when switching to ALB mode, but the default value is still wrong and
we'll enter TLB mode with tlb_dynamic_lb equal to 0 if the mode is
changed via netlink or sysfs. In order to restore the previous behaviour
and default value simply remove the mode check around the default param
initialization for tlb_dynamic_lb which will always set it to 1 as
before.

Fixes: 8b426dc54cf4 ("bonding: remove hardcoded value")
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index fc63992..c99dc59 100644 (file)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4289,7 +4289,7 @@ static int bond_check_params(struct bond_params *params)
        int bond_mode   = BOND_MODE_ROUNDROBIN;
        int xmit_hashtype = BOND_XMIT_POLICY_LAYER2;
        int lacp_fast = 0;
-       int tlb_dynamic_lb = 0;
+       int tlb_dynamic_lb;
 
        /* Convert string parameters. */
        if (mode) {
@@ -4601,16 +4601,13 @@ static int bond_check_params(struct bond_params *params)
        }
        ad_user_port_key = valptr->value;
 
-       if ((bond_mode == BOND_MODE_TLB) || (bond_mode == BOND_MODE_ALB)) {
-               bond_opt_initstr(&newval, "default");
-               valptr = bond_opt_parse(bond_opt_get(BOND_OPT_TLB_DYNAMIC_LB),
-                                       &newval);
-               if (!valptr) {
-                       pr_err("Error: No tlb_dynamic_lb default value");
-                       return -EINVAL;
-               }
-               tlb_dynamic_lb = valptr->value;
+       bond_opt_initstr(&newval, "default");
+       valptr = bond_opt_parse(bond_opt_get(BOND_OPT_TLB_DYNAMIC_LB), &newval);
+       if (!valptr) {
+               pr_err("Error: No tlb_dynamic_lb default value");
+               return -EINVAL;
        }
+       tlb_dynamic_lb = valptr->value;
 
        if (lp_interval == 0) {
                pr_warn("Warning: ip_interval must be between 1 and %d, so it was reset to %d\n",