From patchwork Tue Oct 17 10:53:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Przemek Kitszel X-Patchwork-Id: 13425002 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DA0261A584 for ; Tue, 17 Oct 2023 10:54:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="JsvIRCjz" Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCAE0EA; Tue, 17 Oct 2023 03:54:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697540062; x=1729076062; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=OBDkjTVWbZs+PGvWObSQensGWSm4eGfY5pBdmo87lTk=; b=JsvIRCjzjw83g54Yub6sF751CbvnUfk8vkEjM2a0UqSx0nzMeMSqS4qP SZIp6TxVln77rgTjnBD3W8dl4N+D50o5jSzNP2DBhmW0a1swz+STrls/g PexzdrW0u1CsER4wX+i5yOLBb3PAMvTa23SvO9/O6Az1fR++QMKMJd/Hu QBxQDRnohvzp/khQ6CuZFP2ZeADwwNSAR4vNe77c81W7ke25+5xL7oUMC fPt6a2toIQuPNIAgKx2XHF+15jw3oT3oF4UgnFRh4WMQABgDfEMupznGv GPjjPtr9fSEcK+LlQzElol9gsZcAVmG+4d2KPJNCSUD1poBLbhawycQbi Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10865"; a="366012624" X-IronPort-AV: E=Sophos;i="6.03,231,1694761200"; d="scan'208";a="366012624" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2023 03:54:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10865"; a="785445283" X-IronPort-AV: E=Sophos;i="6.03,231,1694761200"; d="scan'208";a="785445283" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by orsmga008.jf.intel.com with ESMTP; 17 Oct 2023 03:54:14 -0700 Received: from pelor.igk.intel.com (pelor.igk.intel.com [10.123.220.13]) by irvmail002.ir.intel.com (Postfix) with ESMTP id 2A551312D3; Tue, 17 Oct 2023 11:54:12 +0100 (IST) From: Przemek Kitszel To: Jiri Pirko , netdev@vger.kernel.org, "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shannon Nelson , Michael Chan , Cai Huoqing , George Cherian , Danielle Ratson , Moshe Shemesh , Saeed Mahameed , Ariel Elior , Manish Chopra , Igor Russkikh , Coiby Xu Cc: Brett Creeley , Sunil Goutham , Linu Cherian , Geetha sowjanya , Jerin Jacob , hariprasad , Subbaraya Sundeep , Ido Schimmel , Petr Machata , Eran Ben Elisha , Aya Levin , Leon Romanovsky , linux-kernel@vger.kernel.org, Przemek Kitszel , Jesse Brandeburg Subject: [PATCH net-next v2 02/11] netdevsim: devlink health: use retained error fmsg API Date: Tue, 17 Oct 2023 12:53:32 +0200 Message-Id: <20231017105341.415466-3-przemyslaw.kitszel@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231017105341.415466-1-przemyslaw.kitszel@intel.com> References: <20231017105341.415466-1-przemyslaw.kitszel@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org 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 Signed-off-by: Przemek Kitszel Reviewed-by: Jakub Kicinski --- 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); }