diff options
Diffstat (limited to 'drivers/net/netdevsim/health.c')
| -rw-r--r-- | drivers/net/netdevsim/health.c | 124 |
1 files changed, 36 insertions, 88 deletions
diff --git a/drivers/net/netdevsim/health.c b/drivers/net/netdevsim/health.c index eb04ed715d2d..3bd0e7a489c3 100644 --- a/drivers/net/netdevsim/health.c +++ b/drivers/net/netdevsim/health.c @@ -63,91 +63,45 @@ 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 @@ -157,14 +111,10 @@ nsim_dev_dummy_reporter_dump(struct devlink_health_reporter *reporter, { 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); } @@ -174,15 +124,11 @@ nsim_dev_dummy_reporter_diagnose(struct devlink_health_reporter *reporter, 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); } @@ -203,6 +149,8 @@ static ssize_t nsim_dev_health_break_write(struct file *file, char *break_msg; int err; + if (count == 0 || count > PAGE_SIZE) + return -EINVAL; break_msg = memdup_user_nul(data, count); if (IS_ERR(break_msg)) return PTR_ERR(break_msg); @@ -235,14 +183,14 @@ int nsim_dev_health_init(struct nsim_dev *nsim_dev, struct devlink *devlink) health->empty_reporter = devl_health_reporter_create(devlink, &nsim_dev_empty_reporter_ops, - 0, health); + health); if (IS_ERR(health->empty_reporter)) return PTR_ERR(health->empty_reporter); health->dummy_reporter = devl_health_reporter_create(devlink, &nsim_dev_dummy_reporter_ops, - 0, health); + health); if (IS_ERR(health->dummy_reporter)) { err = PTR_ERR(health->dummy_reporter); goto err_empty_reporter_destroy; |