netdev - [PATCH net-next 06/10] netdevsim: fib: Do not warn if route was not found for several events

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Message-Id: <20210207082258.3872086-7-idosch@idosch.org>
Date:   Sun,  7 Feb 2021 10:22:54 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, dsahern@...il.com,
        jiri@...dia.com, yoshfuji@...ux-ipv6.org, amcohen@...dia.com,
        roopa@...dia.com, bpoirier@...dia.com, sharpd@...dia.com,
        mlxsw@...dia.com, Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 06/10] netdevsim: fib: Do not warn if route was not found for several events

From: Amit Cohen <amcohen@...dia.com>

The next patch will add the ability to fail route offload controlled by
debugfs variable called "fail_route_offload".

If we vetoed the addition, we might get a delete or append notification
for a route we do not have. Therefore, do not warn if route was not found.

Signed-off-by: Amit Cohen <amcohen@...dia.com>
Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 drivers/net/netdevsim/fib.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c
index 6b1ec3b4750c..b93bd483cf12 100644
--- a/drivers/net/netdevsim/fib.c
+++ b/drivers/net/netdevsim/fib.c
@@ -406,7 +406,7 @@ static void nsim_fib4_rt_remove(struct nsim_fib_data *data,
 	struct nsim_fib4_rt *fib4_rt;
 
 	fib4_rt = nsim_fib4_rt_lookup(&data->fib_rt_ht, fen_info);
-	if (WARN_ON_ONCE(!fib4_rt))
+	if (!fib4_rt)
 		return;
 
 	rhashtable_remove_fast(&data->fib_rt_ht, &fib4_rt->common.ht_node,
@@ -482,7 +482,7 @@ static void nsim_fib6_rt_nh_del(struct nsim_fib6_rt *fib6_rt,
 	struct nsim_fib6_rt_nh *fib6_rt_nh;
 
 	fib6_rt_nh = nsim_fib6_rt_nh_find(fib6_rt, rt);
-	if (WARN_ON_ONCE(!fib6_rt_nh))
+	if (!fib6_rt_nh)
 		return;
 
 	fib6_rt->nhs--;
@@ -565,7 +565,7 @@ static int nsim_fib6_rt_append(struct nsim_fib_data *data,
 	int i, err;
 
 	fib6_rt = nsim_fib6_rt_lookup(&data->fib_rt_ht, rt);
-	if (WARN_ON_ONCE(!fib6_rt))
+	if (!fib6_rt)
 		return -EINVAL;
 
 	for (i = 0; i < fib6_event->nrt6; i++) {
-- 
2.29.2