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Message-ID: <202601201250.zemonG0p-lkp@intel.com>
Date: Tue, 20 Jan 2026 12:40:40 +0800
From: kernel test robot <lkp@...el.com>
To: Miri Korenblit <miriam.rachel.korenblit@...el.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Johannes Berg <johannes.berg@...el.com>,
Avraham Stern <avraham.stern@...el.com>,
Daniel Gabay <daniel.gabay@...el.com>,
Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
Anjaneyulu <pagadala.yesu.anjaneyulu@...el.com>,
Yedidya Benshimol <yedidya.ben.shimol@...el.com>,
Benjamin Berg <benjamin.berg@...el.com>,
Shaul Triebitz <shaul.triebitz@...el.com>
Subject: drivers/net/wireless/intel/iwlwifi/fw/api/rx.h:511:2:
warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than
'union iwl_rx_mpdu_desc_v1::(anonymous at
drivers/net/wireless/intel/iwlwifi/fw/api/rx.h:511:2)' and is usually due to
'struct i...
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 24d479d26b25bce5faea3ddd9fa8f3a6c3129ea7
commit: d1e879ec600f9b3bdd253167533959facfefb17b wifi: iwlwifi: add iwlmld sub-driver
date: 11 months ago
config: arm-randconfig-r063-20260120 (https://download.01.org/0day-ci/archive/20260120/202601201250.zemonG0p-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260120/202601201250.zemonG0p-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601201250.zemonG0p-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/net/wireless/intel/iwlwifi/fw/init.c:13:
>> drivers/net/wireless/intel/iwlwifi/fw/api/rx.h:511:2: warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than 'union iwl_rx_mpdu_desc_v1::(anonymous at drivers/net/wireless/intel/iwlwifi/fw/api/rx.h:511:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v1' being packed, which can lead to unaligned accesses [-Wunaligned-access]
511 | union {
| ^
1 warning generated.
--
In file included from drivers/net/wireless/intel/iwlwifi/mld/mld.c:8:
>> drivers/net/wireless/intel/iwlwifi/mld/../fw/api/rx.h:511:2: warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than 'union iwl_rx_mpdu_desc_v1::(anonymous at drivers/net/wireless/intel/iwlwifi/mld/../fw/api/rx.h:511:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v1' being packed, which can lead to unaligned accesses [-Wunaligned-access]
511 | union {
| ^
1 warning generated.
--
In file included from drivers/net/wireless/intel/iwlwifi/mld/rx.c:9:
In file included from drivers/net/wireless/intel/iwlwifi/mld/mld.h:21:
>> drivers/net/wireless/intel/iwlwifi/mld/../fw/api/rx.h:511:2: warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than 'union iwl_rx_mpdu_desc_v1::(anonymous at drivers/net/wireless/intel/iwlwifi/mld/../fw/api/rx.h:511:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v1' being packed, which can lead to unaligned accesses [-Wunaligned-access]
511 | union {
| ^
>> drivers/net/wireless/intel/iwlwifi/mld/../fw/api/rx.h:608:2: warning: field within 'struct iwl_rx_mpdu_desc_v3' is less aligned than 'union iwl_rx_mpdu_desc_v3::(anonymous at drivers/net/wireless/intel/iwlwifi/mld/../fw/api/rx.h:608:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v3' being packed, which can lead to unaligned accesses [-Wunaligned-access]
608 | union {
| ^
2 warnings generated.
--
In file included from drivers/net/wireless/intel/iwlwifi/mld/tx.c:5:
include/net/ip.h:478:14: warning: default initialization of an object of type 'typeof (rt->dst.expires)' (aka 'const unsigned long') leaves the object uninitialized [-Wdefault-const-init-var-unsafe]
478 | if (mtu && time_before(jiffies, rt->dst.expires))
| ^
include/linux/jiffies.h:138:26: note: expanded from macro 'time_before'
138 | #define time_before(a,b) time_after(b,a)
| ^
include/linux/jiffies.h:128:3: note: expanded from macro 'time_after'
128 | (typecheck(unsigned long, a) && \
| ^
include/linux/typecheck.h:11:12: note: expanded from macro 'typecheck'
11 | typeof(x) __dummy2; \
| ^
In file included from drivers/net/wireless/intel/iwlwifi/mld/tx.c:5:
include/net/ip.h:478:14: warning: default initialization of an object of type 'typeof (rt->dst.expires)' (aka 'const unsigned long') leaves the object uninitialized [-Wdefault-const-init-var-unsafe]
include/linux/jiffies.h:138:26: note: expanded from macro 'time_before'
138 | #define time_before(a,b) time_after(b,a)
| ^
include/linux/jiffies.h:128:3: note: expanded from macro 'time_after'
128 | (typecheck(unsigned long, a) && \
| ^
include/linux/typecheck.h:11:12: note: expanded from macro 'typecheck'
11 | typeof(x) __dummy2; \
| ^
In file included from drivers/net/wireless/intel/iwlwifi/mld/tx.c:5:
include/net/ip.h:478:14: warning: default initialization of an object of type 'typeof (rt->dst.expires)' (aka 'const unsigned long') leaves the object uninitialized [-Wdefault-const-init-var-unsafe]
include/linux/jiffies.h:138:26: note: expanded from macro 'time_before'
138 | #define time_before(a,b) time_after(b,a)
| ^
include/linux/jiffies.h:128:3: note: expanded from macro 'time_after'
128 | (typecheck(unsigned long, a) && \
| ^
include/linux/typecheck.h:11:12: note: expanded from macro 'typecheck'
11 | typeof(x) __dummy2; \
| ^
In file included from drivers/net/wireless/intel/iwlwifi/mld/tx.c:7:
In file included from drivers/net/wireless/intel/iwlwifi/mld/tx.h:8:
In file included from drivers/net/wireless/intel/iwlwifi/mld/mld.h:21:
>> drivers/net/wireless/intel/iwlwifi/mld/../fw/api/rx.h:511:2: warning: field within 'struct iwl_rx_mpdu_desc_v1' is less aligned than 'union iwl_rx_mpdu_desc_v1::(anonymous at drivers/net/wireless/intel/iwlwifi/mld/../fw/api/rx.h:511:2)' and is usually due to 'struct iwl_rx_mpdu_desc_v1' being packed, which can lead to unaligned accesses [-Wunaligned-access]
511 | union {
| ^
4 warnings generated.
vim +511 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h
0ac93c06dca70f drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Mordechay Goodstein 2023-01-27 452
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 453 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 454 * struct iwl_rx_mpdu_desc_v1 - RX MPDU descriptor
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 455 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 456 struct iwl_rx_mpdu_desc_v1 {
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 457 /* DW7 - carries rss_hash only when rpa_en == 1 */
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 458 union {
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 459 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 460 * @rss_hash: RSS hash value
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 461 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 462 __le32 rss_hash;
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 463
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 464 /**
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 465 * @phy_data2: depends on info type (see @phy_data1)
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 466 */
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 467 __le32 phy_data2;
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 468 };
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 469
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 470 /* DW8 - carries filter_match only when rpa_en == 1 */
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 471 union {
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 472 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 473 * @filter_match: filter match value
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 474 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 475 __le32 filter_match;
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 476
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 477 /**
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 478 * @phy_data3: depends on info type (see @phy_data1)
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 479 */
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 480 __le32 phy_data3;
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 481 };
dabf9844385885 drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Johannes Berg 2018-04-26 482
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 483 /* DW9 */
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 484 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 485 * @rate_n_flags: RX rate/flags encoding
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 486 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 487 __le32 rate_n_flags;
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 488 /* DW10 */
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 489 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 490 * @energy_a: energy chain A
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 491 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 492 u8 energy_a;
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 493 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 494 * @energy_b: energy chain B
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 495 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 496 u8 energy_b;
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 497 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 498 * @channel: channel number
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 499 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 500 u8 channel;
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 501 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 502 * @mac_context: MAC context mask
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 503 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 504 u8 mac_context;
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 505 /* DW11 */
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 506 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 507 * @gp2_on_air_rise: GP2 timer value on air rise (INA)
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 508 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 509 __le32 gp2_on_air_rise;
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 510 /* DW12 & DW13 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 @511 union {
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 512 /**
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 513 * @tsf_on_air_rise:
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 514 * TSF value on air rise (INA), only valid if
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 515 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD isn't set
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 516 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 517 __le64 tsf_on_air_rise;
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 518
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 519 struct {
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 520 /**
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 521 * @phy_data0: depends on info_type, see @phy_data1
6857df8c10e698 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h Johannes Berg 2017-03-15 522 */
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 523 __le32 phy_data0;
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 524 /**
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 525 * @phy_data1: valid only if
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 526 * %IWL_RX_MPDU_PHY_TSF_OVERLOAD is set,
0ac93c06dca70f drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Mordechay Goodstein 2023-01-27 527 * see &enum iwl_rx_phy_common_data1 or
0ac93c06dca70f drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Mordechay Goodstein 2023-01-27 528 * &enum iwl_rx_phy_he_data1 or
0ac93c06dca70f drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Mordechay Goodstein 2023-01-27 529 * &enum iwl_rx_phy_eht_data1.
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 530 */
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 531 __le32 phy_data1;
bdf180c8d375ee drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Shaul Triebitz 2018-07-02 532 };
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 533 };
ce712478a458fc drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Luca Coelho 2021-10-17 534 } __packed; /* RX_MPDU_RES_START_API_S_VER_4 */
18ead597daa17a drivers/net/wireless/intel/iwlwifi/fw/api/rx.h Golan Ben Ami 2018-02-05 535
:::::: The code at line 511 was first introduced by commit
:::::: 18ead597daa17a557249cf4b2f494361d836ed52 iwlwifi: support new rx_mpdu_desc api
:::::: TO: Golan Ben Ami <golan.ben.ami@...el.com>
:::::: CC: Luca Coelho <luciano.coelho@...el.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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