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Date: Wed, 18 Oct 2023 22:26:38 +0200
From: Przemek Kitszel <przemyslaw.kitszel@...el.com>
To: Jiri Pirko <jiri@...nulli.us>,
netdev@...r.kernel.org,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Shannon Nelson <shannon.nelson@....com>,
Michael Chan <michael.chan@...adcom.com>,
Cai Huoqing <cai.huoqing@...ux.dev>,
George Cherian <george.cherian@...vell.com>,
Danielle Ratson <danieller@...dia.com>,
Moshe Shemesh <moshe@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>,
Ariel Elior <aelior@...vell.com>,
Manish Chopra <manishc@...vell.com>,
Igor Russkikh <irusskikh@...vell.com>,
Coiby Xu <coiby.xu@...il.com>,
Simon Horman <horms@...nel.org>
Cc: Brett Creeley <brett.creeley@....com>,
Sunil Goutham <sgoutham@...vell.com>,
Linu Cherian <lcherian@...vell.com>,
Geetha sowjanya <gakula@...vell.com>,
Jerin Jacob <jerinj@...vell.com>,
hariprasad <hkelam@...vell.com>,
Subbaraya Sundeep <sbhatta@...vell.com>,
Ido Schimmel <idosch@...dia.com>,
Petr Machata <petrm@...dia.com>,
Eran Ben Elisha <eranbe@...dia.com>,
Aya Levin <ayal@...lanox.com>,
Leon Romanovsky <leon@...nel.org>,
linux-kernel@...r.kernel.org,
Benjamin Poirier <bpoirier@...e.com>,
Przemek Kitszel <przemyslaw.kitszel@...el.com>,
Jesse Brandeburg <jesse.brandeburg@...el.com>,
Jiri Pirko <jiri@...dia.com>
Subject: [PATCH net-next v3 02/11] netdevsim: devlink health: use retained error fmsg API
Drop unneeded error checking.
devlink_fmsg_*() family of functions is now retaining errors,
so there is no need to check for them after each call.
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
Reviewed-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
---
add/remove: 2/2 grow/shrink: 0/2 up/down: 424/-705 (-281)
---
drivers/net/netdevsim/health.c | 118 +++++++++------------------------
1 file changed, 32 insertions(+), 86 deletions(-)
diff --git a/drivers/net/netdevsim/health.c b/drivers/net/netdevsim/health.c
index eb04ed715d2d..70e8bdf34be9 100644
--- a/drivers/net/netdevsim/health.c
+++ b/drivers/net/netdevsim/health.c
@@ -63,126 +63,72 @@ nsim_dev_dummy_reporter_recover(struct devlink_health_reporter *reporter,
static int nsim_dev_dummy_fmsg_put(struct devlink_fmsg *fmsg, u32 binary_len)
{
char *binary;
- int err;
int i;
- err = devlink_fmsg_bool_pair_put(fmsg, "test_bool", true);
- if (err)
- return err;
- err = devlink_fmsg_u8_pair_put(fmsg, "test_u8", 1);
- if (err)
- return err;
- err = devlink_fmsg_u32_pair_put(fmsg, "test_u32", 3);
- if (err)
- return err;
- err = devlink_fmsg_u64_pair_put(fmsg, "test_u64", 4);
- if (err)
- return err;
- err = devlink_fmsg_string_pair_put(fmsg, "test_string", "somestring");
- if (err)
- return err;
+ devlink_fmsg_bool_pair_put(fmsg, "test_bool", true);
+ devlink_fmsg_u8_pair_put(fmsg, "test_u8", 1);
+ devlink_fmsg_u32_pair_put(fmsg, "test_u32", 3);
+ devlink_fmsg_u64_pair_put(fmsg, "test_u64", 4);
+ devlink_fmsg_string_pair_put(fmsg, "test_string", "somestring");
binary = kmalloc(binary_len, GFP_KERNEL | __GFP_NOWARN);
if (!binary)
return -ENOMEM;
get_random_bytes(binary, binary_len);
- err = devlink_fmsg_binary_pair_put(fmsg, "test_binary", binary, binary_len);
+ devlink_fmsg_binary_pair_put(fmsg, "test_binary", binary, binary_len);
kfree(binary);
- if (err)
- return err;
- err = devlink_fmsg_pair_nest_start(fmsg, "test_nest");
- if (err)
- return err;
- err = devlink_fmsg_obj_nest_start(fmsg);
- if (err)
- return err;
- err = devlink_fmsg_bool_pair_put(fmsg, "nested_test_bool", false);
- if (err)
- return err;
- err = devlink_fmsg_u8_pair_put(fmsg, "nested_test_u8", false);
- if (err)
- return err;
- err = devlink_fmsg_obj_nest_end(fmsg);
- if (err)
- return err;
- err = devlink_fmsg_pair_nest_end(fmsg);
- if (err)
- return err;
+ devlink_fmsg_pair_nest_start(fmsg, "test_nest");
+ devlink_fmsg_obj_nest_start(fmsg);
+ devlink_fmsg_bool_pair_put(fmsg, "nested_test_bool", false);
+ devlink_fmsg_u8_pair_put(fmsg, "nested_test_u8", false);
+ devlink_fmsg_obj_nest_end(fmsg);
+ devlink_fmsg_pair_nest_end(fmsg);
+ devlink_fmsg_arr_pair_nest_end(fmsg);
+ devlink_fmsg_arr_pair_nest_start(fmsg, "test_u32_array");
- err = devlink_fmsg_arr_pair_nest_end(fmsg);
- if (err)
- return err;
+ for (i = 0; i < 10; i++)
+ devlink_fmsg_u32_put(fmsg, i);
+ devlink_fmsg_arr_pair_nest_end(fmsg);
+ devlink_fmsg_arr_pair_nest_start(fmsg, "test_array_of_objects");
- err = devlink_fmsg_arr_pair_nest_start(fmsg, "test_u32_array");
- if (err)
- return err;
for (i = 0; i < 10; i++) {
- err = devlink_fmsg_u32_put(fmsg, i);
- if (err)
- return err;
+ devlink_fmsg_obj_nest_start(fmsg);
+ devlink_fmsg_bool_pair_put(fmsg, "in_array_nested_test_bool",
+ false);
+ devlink_fmsg_u8_pair_put(fmsg, "in_array_nested_test_u8", i);
+ devlink_fmsg_obj_nest_end(fmsg);
}
- err = devlink_fmsg_arr_pair_nest_end(fmsg);
- if (err)
- return err;
+ devlink_fmsg_arr_pair_nest_end(fmsg);
- err = devlink_fmsg_arr_pair_nest_start(fmsg, "test_array_of_objects");
- if (err)
- return err;
- for (i = 0; i < 10; i++) {
- err = devlink_fmsg_obj_nest_start(fmsg);
- if (err)
- return err;
- err = devlink_fmsg_bool_pair_put(fmsg,
- "in_array_nested_test_bool",
- false);
- if (err)
- return err;
- err = devlink_fmsg_u8_pair_put(fmsg,
- "in_array_nested_test_u8",
- i);
- if (err)
- return err;
- err = devlink_fmsg_obj_nest_end(fmsg);
- if (err)
- return err;
- }
- return devlink_fmsg_arr_pair_nest_end(fmsg);
+ return 0;
}
static int
nsim_dev_dummy_reporter_dump(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg, void *priv_ctx,
struct netlink_ext_ack *extack)
{
struct nsim_dev_health *health = devlink_health_reporter_priv(reporter);
struct nsim_dev_dummy_reporter_ctx *ctx = priv_ctx;
- int err;
- if (ctx) {
- err = devlink_fmsg_string_pair_put(fmsg, "break_message",
- ctx->break_msg);
- if (err)
- return err;
- }
+ if (ctx)
+ devlink_fmsg_string_pair_put(fmsg, "break_message", ctx->break_msg);
+
return nsim_dev_dummy_fmsg_put(fmsg, health->binary_len);
}
static int
nsim_dev_dummy_reporter_diagnose(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg,
struct netlink_ext_ack *extack)
{
struct nsim_dev_health *health = devlink_health_reporter_priv(reporter);
- int err;
- if (health->recovered_break_msg) {
- err = devlink_fmsg_string_pair_put(fmsg,
- "recovered_break_message",
- health->recovered_break_msg);
- if (err)
- return err;
- }
+ if (health->recovered_break_msg)
+ devlink_fmsg_string_pair_put(fmsg, "recovered_break_message",
+ health->recovered_break_msg);
+
return nsim_dev_dummy_fmsg_put(fmsg, health->binary_len);
}
--
2.38.1
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