From patchwork Thu Oct 24 18:55:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Schmauss, Erik" X-Patchwork-Id: 11210621 X-Patchwork-Delegate: rjw@sisk.pl Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 939611920 for ; Thu, 24 Oct 2019 19:13:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72D3921D7B for ; Thu, 24 Oct 2019 19:13:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392916AbfJXTNp (ORCPT ); Thu, 24 Oct 2019 15:13:45 -0400 Received: from mga01.intel.com ([192.55.52.88]:56945 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390839AbfJXTNp (ORCPT ); Thu, 24 Oct 2019 15:13:45 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Oct 2019 12:13:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,225,1569308400"; d="scan'208";a="188686265" Received: from sibelius.jf.intel.com ([10.54.75.23]) by orsmga007.jf.intel.com with ESMTP; 24 Oct 2019 12:13:43 -0700 From: Erik Schmauss To: "Rafael J . Wysocki" , linux-acpi@vger.kernel.org Cc: Bob Moore , Erik Schmauss Subject: [PATCH 01/12] ACPICA: Results from Clang changes/fixes From Clang V5.0.1. Mostly "set but never read" warnings. Date: Thu, 24 Oct 2019 11:55:45 -0700 Message-Id: <20191024185556.4606-2-erik.schmauss@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191024185556.4606-1-erik.schmauss@intel.com> References: <20191024185556.4606-1-erik.schmauss@intel.com> MIME-Version: 1.0 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Bob Moore ACPICA commit 1f08279b3eb13f17004159c28c391a390cd68feb Link: https://github.com/acpica/acpica/commit/1f08279b Signed-off-by: Bob Moore Signed-off-by: Erik Schmauss --- drivers/acpi/acpica/dbdisply.c | 2 -- drivers/acpi/acpica/dbinput.c | 1 - drivers/acpi/acpica/dbmethod.c | 4 ++++ drivers/acpi/acpica/dbobject.c | 1 - drivers/acpi/acpica/dsfield.c | 3 --- drivers/acpi/acpica/evgpeblk.c | 11 +++++++---- drivers/acpi/acpica/evgpeinit.c | 3 --- drivers/acpi/acpica/evmisc.c | 12 ++++++++++-- drivers/acpi/acpica/evregion.c | 4 ++-- drivers/acpi/acpica/evrgnini.c | 1 - drivers/acpi/acpica/nsdump.c | 4 ++-- drivers/acpi/acpica/psobject.c | 5 ++--- drivers/acpi/acpica/uttrack.c | 2 +- 13 files changed, 28 insertions(+), 25 deletions(-) diff --git a/drivers/acpi/acpica/dbdisply.c b/drivers/acpi/acpica/dbdisply.c index 30ab62b0fec8..f2df416d0d2d 100644 --- a/drivers/acpi/acpica/dbdisply.c +++ b/drivers/acpi/acpica/dbdisply.c @@ -513,7 +513,6 @@ void acpi_db_display_results(void) return; } - obj_desc = walk_state->method_desc; node = walk_state->method_node; if (walk_state->results) { @@ -565,7 +564,6 @@ void acpi_db_display_calling_tree(void) return; } - node = walk_state->method_node; acpi_os_printf("Current Control Method Call Tree\n"); while (walk_state) { diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c index 55a7e10998d8..95738313916b 100644 --- a/drivers/acpi/acpica/dbinput.c +++ b/drivers/acpi/acpica/dbinput.c @@ -689,7 +689,6 @@ acpi_db_command_dispatch(char *input_buffer, param_count = acpi_db_get_line(input_buffer); command_index = acpi_db_match_command(acpi_gbl_db_args[0]); - temp = 0; /* * We don't want to add the !! command to the history buffer. It diff --git a/drivers/acpi/acpica/dbmethod.c b/drivers/acpi/acpica/dbmethod.c index 76a15b6ffc5d..4e48a7de7413 100644 --- a/drivers/acpi/acpica/dbmethod.c +++ b/drivers/acpi/acpica/dbmethod.c @@ -321,6 +321,10 @@ acpi_status acpi_db_disassemble_method(char *name) walk_state->parse_flags |= ACPI_PARSE_DISASSEMBLE; status = acpi_ps_parse_aml(walk_state); + if (ACPI_FAILURE(status)) { + return (status); + } + (void)acpi_dm_parse_deferred_ops(op); /* Now we can disassemble the method */ diff --git a/drivers/acpi/acpica/dbobject.c b/drivers/acpi/acpica/dbobject.c index f9fc84bc3e84..4b4c530a0654 100644 --- a/drivers/acpi/acpica/dbobject.c +++ b/drivers/acpi/acpica/dbobject.c @@ -464,7 +464,6 @@ void acpi_db_decode_arguments(struct acpi_walk_state *walk_state) u8 display_args = FALSE; node = walk_state->method_node; - obj_desc = walk_state->method_desc; /* There are no arguments for the module-level code case */ diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c index cf4e061bb0f0..9151f00dfbdc 100644 --- a/drivers/acpi/acpica/dsfield.c +++ b/drivers/acpi/acpica/dsfield.c @@ -149,7 +149,6 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, if (walk_state->deferred_node) { node = walk_state->deferred_node; - status = AE_OK; } else { /* Execute flag should always be set when this function is entered */ @@ -636,8 +635,6 @@ acpi_ds_init_field_objects(union acpi_parse_object *op, } /* Name already exists, just ignore this error */ - - status = AE_OK; } arg->common.node = node; diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index fb15e9e2373b..9c7adaa7b582 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -110,6 +110,9 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block) status = acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block, NULL); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } if (!gpe_block->previous && !gpe_block->next) { @@ -359,10 +362,10 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device, walk_info.gpe_device = gpe_device; walk_info.execute_by_owner_id = FALSE; - status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device, - ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK, - acpi_ev_match_gpe_method, NULL, - &walk_info, NULL); + (void)acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device, + ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK, + acpi_ev_match_gpe_method, NULL, &walk_info, + NULL); /* Return the new block */ diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c index b04f982e59fa..70d21d5ec5f3 100644 --- a/drivers/acpi/acpica/evgpeinit.c +++ b/drivers/acpi/acpica/evgpeinit.c @@ -156,8 +156,6 @@ acpi_status acpi_ev_gpe_initialize(void) * GPE0 and GPE1 do not have to be contiguous in the GPE number * space. However, GPE0 always starts at GPE number zero. */ - gpe_number_max = acpi_gbl_FADT.gpe1_base + - ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1); } } @@ -169,7 +167,6 @@ acpi_status acpi_ev_gpe_initialize(void) ACPI_DEBUG_PRINT((ACPI_DB_INIT, "There are no GPE blocks defined in the FADT\n")); - status = AE_OK; goto cleanup; } diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c index d45f7639f7ee..aa98fe07cd1b 100644 --- a/drivers/acpi/acpica/evmisc.c +++ b/drivers/acpi/acpica/evmisc.c @@ -230,11 +230,15 @@ void acpi_ev_terminate(void) /* Disable all GPEs in all GPE blocks */ status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block, NULL); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, + "Could not disable GPEs in GPE block")); + } status = acpi_ev_remove_global_lock_handler(); if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not remove Global Lock handler")); + ACPI_EXCEPTION((AE_INFO, status, + "Could not remove Global Lock handler")); } acpi_gbl_events_initialized = FALSE; @@ -250,6 +254,10 @@ void acpi_ev_terminate(void) /* Deallocate all handler objects installed within GPE info structs */ status = acpi_ev_walk_gpe_list(acpi_ev_delete_gpe_handlers, NULL); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, + "Could not delete GPE handlers")); + } /* Return to original mode if necessary */ diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 45dc797df05d..1ff126460007 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -836,11 +836,11 @@ acpi_ev_orphan_ec_reg_method(struct acpi_namespace_node *ec_device_node) objects[1].type = ACPI_TYPE_INTEGER; objects[1].integer.value = ACPI_REG_CONNECT; - status = acpi_evaluate_object(reg_method, NULL, &args, NULL); + (void)acpi_evaluate_object(reg_method, NULL, &args, NULL); exit: /* We ignore all errors from above, don't care */ - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + (void)acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); return_VOID; } diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index 0b47bbcd2a23..aee09640d710 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -198,7 +198,6 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, * root bridge. Still need to return a context object * for the new PCI_Config operation region, however. */ - status = AE_OK; } else { ACPI_EXCEPTION((AE_INFO, status, "Could not install PciConfig handler " diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index 9731d7cf1b83..1df6d72ae46b 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -291,7 +291,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, for (i = 0; (i < obj_desc->buffer.length && i < 12); i++) { - acpi_os_printf(" %.2hX", + acpi_os_printf(" %2.2X", obj_desc->buffer. pointer[i]); } @@ -404,7 +404,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, case ACPI_TYPE_LOCAL_BANK_FIELD: case ACPI_TYPE_LOCAL_INDEX_FIELD: - acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n", + acpi_os_printf(" Off %.3X Len %.2X Acc %.2X\n", (obj_desc->common_field. base_byte_offset * 8) + diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c index 98e5c7400e54..9acf5f7453e9 100644 --- a/drivers/acpi/acpica/psobject.c +++ b/drivers/acpi/acpica/psobject.c @@ -480,9 +480,8 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state, acpi_ps_get_opcode_info((*op)->common.aml_opcode); walk_state->opcode = (*op)->common.aml_opcode; - status = walk_state->ascending_callback(walk_state); - status = - acpi_ps_next_parse_state(walk_state, *op, status); + (void)walk_state->ascending_callback(walk_state); + (void)acpi_ps_next_parse_state(walk_state, *op, status); status2 = acpi_ps_complete_this_op(walk_state, *op); if (ACPI_FAILURE(status2)) { diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c index 8052f7ef5025..14de4d15e618 100644 --- a/drivers/acpi/acpica/uttrack.c +++ b/drivers/acpi/acpica/uttrack.c @@ -660,7 +660,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module) case ACPI_DESC_TYPE_PARSER: acpi_os_printf - ("AmlOpcode 0x%04hX\n", + ("AmlOpcode 0x%04X\n", descriptor->op.asl. aml_opcode); break;