April 2025 - Kernel - mailweb.openeuler.org

[PATCH OLK-6.6 0/1] compile error: implicit declaration of
by Jinqian Yang 24 Apr '25

24 Apr '25

Jinqian Yang (1): kvm: hisi_virt: Fix compilation error due to missing ACPI configuration arch/arm64/kvm/vgic/vgic-init.c | 10 ++++++++++ 1 file changed, 10 insertions(+) -- 2.33.0

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[PATCH OLK-6.6 0/6] arm64/mpam: Create l2 cache monitors
by Zeng Heng 24 Apr '25

24 Apr '25

James Morse (2): arm64: mpam: Add cpu_pm notifier to restore MPAM sysregs arm64: mpam: Restore the expected MPAM sysregs on cpuhp Zeng Heng (4): arm64/mpam: Create l2 cache monitors fs/resctrl: Add l2 mount option to enable L2 msc arm64/mpam: Refuse cpu offline when L2 msc is enabled arm64/mpam: Refuse to enter powerdown state after L2 msc updated arch/arm64/kernel/cpufeature.c | 6 +++ arch/arm64/kernel/mpam.c | 41 +++++++++++++++ arch/x86/include/asm/resctrl.h | 10 ++++ drivers/platform/mpam/mpam_devices.c | 6 ++- drivers/platform/mpam/mpam_internal.h | 2 + drivers/platform/mpam/mpam_resctrl.c | 76 ++++++++++++++++++++++++--- fs/resctrl/ctrlmondata.c | 6 +++ fs/resctrl/internal.h | 2 +- fs/resctrl/rdtgroup.c | 16 ++++++ include/linux/arm_mpam.h | 18 +++++++ include/linux/resctrl.h | 4 ++ include/linux/resctrl_types.h | 10 ---- 12 files changed, 179 insertions(+), 18 deletions(-) -- 2.25.1

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[openeuler:openEuler-1.0-LTS 1592/1592] mm/mem_reliable.c:41:22: warning: 'zero' defined but not used
by kernel test robot 24 Apr '25

24 Apr '25

Hi Chen, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 08111f03f1ec65598372cfe9bf64f366d575671e commit: 6943b93b464351cbc35aa002e86bac48e08b1c3f [1592/1592] mm: add support for limiting the usage of reliable memory in pagecache config: arm64-randconfig-003-20250424 (https://download.01.org/0day-ci/archive/20250424/202504241725.jmSsMrko-lkp@…) compiler: aarch64-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250424/202504241725.jmSsMrko-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202504241725.jmSsMrko-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/mem_reliable.c:42:22: warning: 'reliable_pagecache_max_bytes' defined but not used [-Wunused-variable] 42 | static unsigned long reliable_pagecache_max_bytes = ULONG_MAX; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> mm/mem_reliable.c:41:22: warning: 'zero' defined but not used [-Wunused-variable] 41 | static unsigned long zero; | ^~~~ vim +/zero +41 mm/mem_reliable.c 40 > 41 static unsigned long zero; > 42 static unsigned long reliable_pagecache_max_bytes = ULONG_MAX; 43 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6] media: vimc: skip .s_stream() for stopped entities
by Zheng Xinyu 24 Apr '25

24 Apr '25

From: Nikita Zhandarovich <n.zhandarovich(a)fintech.ru> mainline inclusion from mainline-v6.15-rc1 commit 36cef585e2a31e4ddf33a004b0584a7a572246de category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IC1QQ2 CVE: CVE-2025-22028 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Syzbot reported [1] a warning prompted by a check in call_s_stream() that checks whether .s_stream() operation is warranted for unstarted or stopped subdevs. Add a simple fix in vimc_streamer_pipeline_terminate() ensuring that entities skip a call to .s_stream() unless they have been previously properly started. [1] Syzbot report: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5933 at drivers/media/v4l2-core/v4l2-subdev.c:460 call_s_stream+0x2df/0x350 drivers/media/v4l2-core/v4l2-subdev.c:460 Modules linked in: CPU: 0 UID: 0 PID: 5933 Comm: syz-executor330 Not tainted 6.13.0-rc2-syzkaller-00362-g2d8308bf5b67 #0 ... Call Trace: <TASK> vimc_streamer_pipeline_terminate+0x218/0x320 drivers/media/test-drivers/vimc/vimc-streamer.c:62 vimc_streamer_pipeline_init drivers/media/test-drivers/vimc/vimc-streamer.c:101 [inline] vimc_streamer_s_stream+0x650/0x9a0 drivers/media/test-drivers/vimc/vimc-streamer.c:203 vimc_capture_start_streaming+0xa1/0x130 drivers/media/test-drivers/vimc/vimc-capture.c:256 vb2_start_streaming+0x15f/0x5a0 drivers/media/common/videobuf2/videobuf2-core.c:1789 vb2_core_streamon+0x2a7/0x450 drivers/media/common/videobuf2/videobuf2-core.c:2348 vb2_streamon drivers/media/common/videobuf2/videobuf2-v4l2.c:875 [inline] vb2_ioctl_streamon+0xf4/0x170 drivers/media/common/videobuf2/videobuf2-v4l2.c:1118 __video_do_ioctl+0xaf0/0xf00 drivers/media/v4l2-core/v4l2-ioctl.c:3122 video_usercopy+0x4d2/0x1620 drivers/media/v4l2-core/v4l2-ioctl.c:3463 v4l2_ioctl+0x1ba/0x250 drivers/media/v4l2-core/v4l2-dev.c:366 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2b85c01b19 ... Reported-by: syzbot+5bcd7c809d365e14c4df(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=5bcd7c809d365e14c4df Fixes: adc589d2a208 ("media: vimc: Add vimc-streamer for stream control") Cc: stable(a)vger.kernel.org Signed-off-by: Nikita Zhandarovich <n.zhandarovich(a)fintech.ru> Signed-off-by: Hans Verkuil <hverkuil(a)xs4all.nl> --- drivers/media/test-drivers/vimc/vimc-streamer.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/media/test-drivers/vimc/vimc-streamer.c b/drivers/media/test-drivers/vimc/vimc-streamer.c index 807551a5143b..15d863f97cbf 100644 --- a/drivers/media/test-drivers/vimc/vimc-streamer.c +++ b/drivers/media/test-drivers/vimc/vimc-streamer.c @@ -59,6 +59,12 @@ static void vimc_streamer_pipeline_terminate(struct vimc_stream *stream) continue; sd = media_entity_to_v4l2_subdev(ved->ent); + /* + * Do not call .s_stream() to stop an already + * stopped/unstarted subdev. + */ + if (!v4l2_subdev_is_streaming(sd)) + continue; v4l2_subdev_call(sd, video, s_stream, 0); } } -- 2.34.1

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[PATCH OLK-6.6 0/6] arm64/mpam: Create l2 cache monitors
by Zeng Heng 24 Apr '25

24 Apr '25

James Morse (2): arm64: mpam: Add cpu_pm notifier to restore MPAM sysregs arm64: mpam: Restore the expected MPAM sysregs on cpuhp Zeng Heng (4): arm64/mpam: Create l2 cache monitors fs/resctrl: Add l2 mount option to enable L2 msc arm64/mpam: Refuse cpu offline when L2 msc is enabled arm64/mpam: Refuse to enter powerdown state after L2 msc updated arch/arm64/kernel/cpufeature.c | 6 +++ arch/arm64/kernel/mpam.c | 41 +++++++++++++++ drivers/platform/mpam/mpam_devices.c | 6 ++- drivers/platform/mpam/mpam_internal.h | 2 + drivers/platform/mpam/mpam_resctrl.c | 76 ++++++++++++++++++++++++--- fs/resctrl/ctrlmondata.c | 6 +++ fs/resctrl/internal.h | 2 +- fs/resctrl/rdtgroup.c | 16 ++++++ include/linux/arm_mpam.h | 2 + include/linux/resctrl.h | 4 ++ include/linux/resctrl_types.h | 2 + 11 files changed, 155 insertions(+), 8 deletions(-) -- 2.25.1

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[PATCH OLK-6.6] ksmbd: use aead_request_free to match aead_request_alloc
by Wang Zhaolong 24 Apr '25

24 Apr '25

From: Miaoqian Lin <linmq006(a)gmail.com> mainline inclusion from mainline-v6.15-rc1 commit 6171063e9d046ffa46f51579b2ca4a43caef581a category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IC2CBV CVE: CVE-2025-38575 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Use aead_request_free() instead of kfree() to properly free memory allocated by aead_request_alloc(). This ensures sensitive crypto data is zeroed before being freed. Fixes: e2f34481b24d ("cifsd: add server-side procedures for SMB3") Signed-off-by: Miaoqian Lin <linmq006(a)gmail.com> Acked-by: Namjae Jeon <linkinjeon(a)kernel.org> Signed-off-by: Steve French <stfrench(a)microsoft.com> Signed-off-by: Wang Zhaolong <wangzhaolong1(a)huawei.com> --- fs/smb/server/auth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/smb/server/auth.c b/fs/smb/server/auth.c index 58380a986af5..c3baf6537fad 100644 --- a/fs/smb/server/auth.c +++ b/fs/smb/server/auth.c @@ -1211,10 +1211,10 @@ int ksmbd_crypt_message(struct ksmbd_work *work, struct kvec *iov, free_iv: kfree(iv); free_sg: kfree(sg); free_req: - kfree(req); + aead_request_free(req); free_ctx: ksmbd_release_crypto_ctx(ctx); return rc; } -- 2.39.2

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[PATCH OLK-6.6] ksmbd: fix use-after-free in ksmbd_sessions_deregister()
by Wang Zhaolong 24 Apr '25

24 Apr '25

From: Namjae Jeon <linkinjeon(a)kernel.org> mainline inclusion from mainline-v6.15-rc1 commit 15a9605f8d69dc85005b1a00c31a050b8625e1aa category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IC1QTG CVE: CVE-2025-22041 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- In multichannel mode, UAF issue can occur in session_deregister when the second channel sets up a session through the connection of the first channel. session that is freed through the global session table can be accessed again through ->sessions of connection. Cc: stable(a)vger.kernel.org Reported-by: Norbert Szetei <norbert(a)doyensec.com> Tested-by: Norbert Szetei <norbert(a)doyensec.com> Signed-off-by: Namjae Jeon <linkinjeon(a)kernel.org> Signed-off-by: Steve French <stfrench(a)microsoft.com> Signed-off-by: Wang Zhaolong <wangzhaolong1(a)huawei.com> --- fs/smb/server/mgmt/user_session.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/smb/server/mgmt/user_session.c b/fs/smb/server/mgmt/user_session.c index 9a134181df61..e1aabe889c61 100644 --- a/fs/smb/server/mgmt/user_session.c +++ b/fs/smb/server/mgmt/user_session.c @@ -227,10 +227,13 @@ void ksmbd_sessions_deregister(struct ksmbd_conn *conn) hash_for_each_safe(sessions_table, bkt, tmp, sess, hlist) { if (!ksmbd_chann_del(conn, sess) && xa_empty(&sess->ksmbd_chann_list)) { hash_del(&sess->hlist); + down_write(&conn->session_lock); + xa_erase(&conn->sessions, sess->id); + up_write(&conn->session_lock); ksmbd_session_destroy(sess); } } } -- 2.39.2

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[PATCH openEuler-1.0-LTS 0/2] Fix CVE-2025-37785
by Zizhi Wo 24 Apr '25

24 Apr '25

Fix CVE-2025-37785. Acs, Jakub (1): ext4: fix OOB read when checking dotdot dir Theodore Ts'o (1): ext4: optimize __ext4_check_dir_entry() fs/ext4/dir.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) -- 2.39.2

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[openeuler:OLK-6.6 2163/2163] drivers/irqchip/irq-gic-v3.c:1517:6: warning: no previous prototype for 'is_gicv4p1'
by kernel test robot 24 Apr '25

24 Apr '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: bb46ff9245f25c71ce2d456156bb2fc39c400aad commit: 5634a3dfafb71ede4922b523f77389ef2c006b61 [2163/2163] kvm: hisi_virt: Probe and configure IPIV capacity on HIP12 config: arm64-randconfig-004-20250424 (https://download.01.org/0day-ci/archive/20250424/202504240638.PM73jDId-lkp@…) compiler: aarch64-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250424/202504240638.PM73jDId-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202504240638.PM73jDId-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/irqchip/irq-gic-v3.c:1517:6: warning: no previous prototype for 'is_gicv4p1' [-Wmissing-prototypes] bool is_gicv4p1(void) ^~~~~~~~~~ >> drivers/irqchip/irq-gic-v3.c:1526:6: warning: no previous prototype for 'gic_dist_enable_ipiv' [-Wmissing-prototypes] void gic_dist_enable_ipiv(void) ^~~~~~~~~~~~~~~~~~~~ vim +/is_gicv4p1 +1517 drivers/irqchip/irq-gic-v3.c 1516 > 1517 bool is_gicv4p1(void) 1518 { 1519 if (!gic_data.rdists.has_rvpeid) 1520 return false; 1521 1522 return true; 1523 } 1524 EXPORT_SYMBOL(is_gicv4p1); 1525 > 1526 void gic_dist_enable_ipiv(void) 1527 { 1528 u32 val; 1529 1530 val = readl_relaxed(gic_data.dist_base + GICD_MISC_CTRL); 1531 val |= GICD_MISC_CTRL_CFG_IPIV_EN; 1532 writel_relaxed(val, gic_data.dist_base + GICD_MISC_CTRL); 1533 static_branch_enable(&ipiv_enable); 1534 1535 val = (0 << GICD_IPIV_CTRL_AFF_DIRECT_VPEID_SHIFT) | 1536 (0 << GICD_IPIV_CTRL_AFF1_LEFT_SHIFT_SHIFT) | 1537 (4 << GICD_IPIV_CTRL_AFF2_LEFT_SHIFT_SHIFT) | 1538 (7 << GICD_IPIV_CTRL_VM_TABLE_INNERCACHE_SHIFT) | 1539 (2 << GICD_IPIV_CTRL_VM_TABLE_SHAREABILITY_SHIFT); 1540 writel_relaxed(val, gic_data.dist_base + GICD_IPIV_CTRL); 1541 1542 /* Set target ITS address of IPIV feature */ 1543 writel_relaxed(0x4880, gic_data.dist_base + GICD_IPIV_ITS_TA_BASE); 1544 } 1545 EXPORT_SYMBOL(gic_dist_enable_ipiv); 1546 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2163/2163] net/wireless/nl80211.c:12933:3: warning: 'memcpy' pointer overflow between offset 36 and size
by kernel test robot 24 Apr '25

24 Apr '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: bb46ff9245f25c71ce2d456156bb2fc39c400aad commit: ac421033218a2998c95539a46fbedb6657790b28 [2163/2163] wifi: cfg80211: fix CQM for non-range use config: arm64-randconfig-004-20250424 (https://download.01.org/0day-ci/archive/20250424/202504240404.3Tn7yHet-lkp@…) compiler: aarch64-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250424/202504240404.3Tn7yHet-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202504240404.3Tn7yHet-lkp@intel.com/ All warnings (new ones prefixed by >>): In function 'nl80211_set_cqm_rssi.isra.58', inlined from 'nl80211_set_cqm' at net/wireless/nl80211.c:12994:10: >> net/wireless/nl80211.c:12933:3: warning: 'memcpy' pointer overflow between offset 36 and size [-1, 9223372036854775807] [-Warray-bounds] memcpy(cqm_config->rssi_thresholds, thresholds, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ flex_array_size(cqm_config, rssi_thresholds, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ n_thresholds)); ~~~~~~~~~~~~~~ >> net/wireless/nl80211.c:12933:3: warning: 'memcpy' specified size 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=] vim +/memcpy +12933 net/wireless/nl80211.c 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12877 d6dc1a38635897 Juuso Oikarinen 2010-03-23 12878 static int nl80211_set_cqm_rssi(struct genl_info *info, 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12879 const s32 *thresholds, int n_thresholds, 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12880 u32 hysteresis) d6dc1a38635897 Juuso Oikarinen 2010-03-23 12881 { 4c476991062a0a Johannes Berg 2010-10-04 12882 struct cfg80211_registered_device *rdev = info->user_ptr[0]; 37c20b2effe987 Johannes Berg 2023-08-16 12883 struct cfg80211_cqm_config *cqm_config = NULL, *old; 4c476991062a0a Johannes Berg 2010-10-04 12884 struct net_device *dev = info->user_ptr[1]; 1da5fcc86d7104 Johannes Berg 2013-08-06 12885 struct wireless_dev *wdev = dev->ieee80211_ptr; 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12886 int i, err; 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12887 s32 prev = S32_MIN; d6dc1a38635897 Juuso Oikarinen 2010-03-23 12888 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12889 /* Check all values negative and sorted */ 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12890 for (i = 0; i < n_thresholds; i++) { 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12891 if (thresholds[i] > 0 || thresholds[i] <= prev) d6dc1a38635897 Juuso Oikarinen 2010-03-23 12892 return -EINVAL; d6dc1a38635897 Juuso Oikarinen 2010-03-23 12893 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12894 prev = thresholds[i]; 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12895 } d6dc1a38635897 Juuso Oikarinen 2010-03-23 12896 074ac8df9f93f2 Johannes Berg 2010-09-16 12897 if (wdev->iftype != NL80211_IFTYPE_STATION && 4c476991062a0a Johannes Berg 2010-10-04 12898 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) 4c476991062a0a Johannes Berg 2010-10-04 12899 return -EOPNOTSUPP; d6dc1a38635897 Juuso Oikarinen 2010-03-23 12900 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12901 if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */ 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12902 n_thresholds = 0; 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12903 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12904 wdev_lock(wdev); 37c20b2effe987 Johannes Berg 2023-08-16 12905 old = rcu_dereference_protected(wdev->cqm_config, 37c20b2effe987 Johannes Berg 2023-08-16 12906 lockdep_is_held(&wdev->mtx)); 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12907 ac421033218a29 Johannes Berg 2024-03-20 12908 /* if already disabled just succeed */ ac421033218a29 Johannes Berg 2024-03-20 12909 if (!n_thresholds && !old) ac421033218a29 Johannes Berg 2024-03-20 12910 return 0; ac421033218a29 Johannes Berg 2024-03-20 12911 ac421033218a29 Johannes Berg 2024-03-20 12912 if (n_thresholds > 1) { ac421033218a29 Johannes Berg 2024-03-20 12913 if (!wiphy_ext_feature_isset(&rdev->wiphy, ac421033218a29 Johannes Berg 2024-03-20 12914 NL80211_EXT_FEATURE_CQM_RSSI_LIST) || ac421033218a29 Johannes Berg 2024-03-20 12915 !rdev->ops->set_cqm_rssi_range_config) ac421033218a29 Johannes Berg 2024-03-20 12916 return -EOPNOTSUPP; ac421033218a29 Johannes Berg 2024-03-20 12917 } else { ac421033218a29 Johannes Berg 2024-03-20 12918 if (!rdev->ops->set_cqm_rssi_config) ac421033218a29 Johannes Berg 2024-03-20 12919 return -EOPNOTSUPP; ac421033218a29 Johannes Berg 2024-03-20 12920 } ac421033218a29 Johannes Berg 2024-03-20 12921 37c20b2effe987 Johannes Berg 2023-08-16 12922 if (n_thresholds) { 40f231e75a1d98 Len Baker 2021-09-19 12923 cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds, 40f231e75a1d98 Len Baker 2021-09-19 12924 n_thresholds), 40f231e75a1d98 Len Baker 2021-09-19 12925 GFP_KERNEL); 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12926 if (!cqm_config) { 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12927 err = -ENOMEM; 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12928 goto unlock; 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12929 } 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12930 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12931 cqm_config->rssi_hyst = hysteresis; 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12932 cqm_config->n_rssi_thresholds = n_thresholds; 4a4b8169501b18 Andrew Zaborowski 2017-02-10 @12933 memcpy(cqm_config->rssi_thresholds, thresholds, 40f231e75a1d98 Len Baker 2021-09-19 12934 flex_array_size(cqm_config, rssi_thresholds, 40f231e75a1d98 Len Baker 2021-09-19 12935 n_thresholds)); ac421033218a29 Johannes Berg 2024-03-20 12936 cqm_config->use_range_api = n_thresholds > 1 || ac421033218a29 Johannes Berg 2024-03-20 12937 !rdev->ops->set_cqm_rssi_config; 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12938 37c20b2effe987 Johannes Berg 2023-08-16 12939 rcu_assign_pointer(wdev->cqm_config, cqm_config); ac421033218a29 Johannes Berg 2024-03-20 12940 ac421033218a29 Johannes Berg 2024-03-20 12941 if (cqm_config->use_range_api) ac421033218a29 Johannes Berg 2024-03-20 12942 err = cfg80211_cqm_rssi_update(rdev, dev, cqm_config); ac421033218a29 Johannes Berg 2024-03-20 12943 else ac421033218a29 Johannes Berg 2024-03-20 12944 err = rdev_set_cqm_rssi_config(rdev, dev, ac421033218a29 Johannes Berg 2024-03-20 12945 thresholds[0], ac421033218a29 Johannes Berg 2024-03-20 12946 hysteresis); 37c20b2effe987 Johannes Berg 2023-08-16 12947 } else { 37c20b2effe987 Johannes Berg 2023-08-16 12948 RCU_INIT_POINTER(wdev->cqm_config, NULL); ac421033218a29 Johannes Berg 2024-03-20 12949 /* if enabled as range also disable via range */ ac421033218a29 Johannes Berg 2024-03-20 12950 if (old->use_range_api) ac421033218a29 Johannes Berg 2024-03-20 12951 err = rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0); ac421033218a29 Johannes Berg 2024-03-20 12952 else ac421033218a29 Johannes Berg 2024-03-20 12953 err = rdev_set_cqm_rssi_config(rdev, dev, 0, 0); 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12954 } 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12955 37c20b2effe987 Johannes Berg 2023-08-16 12956 if (err) { 37c20b2effe987 Johannes Berg 2023-08-16 12957 rcu_assign_pointer(wdev->cqm_config, old); 37c20b2effe987 Johannes Berg 2023-08-16 12958 kfree_rcu(cqm_config, rcu_head); 37c20b2effe987 Johannes Berg 2023-08-16 12959 } else { 37c20b2effe987 Johannes Berg 2023-08-16 12960 kfree_rcu(old, rcu_head); 37c20b2effe987 Johannes Berg 2023-08-16 12961 } 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12962 unlock: 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12963 wdev_unlock(wdev); 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12964 4a4b8169501b18 Andrew Zaborowski 2017-02-10 12965 return err; d6dc1a38635897 Juuso Oikarinen 2010-03-23 12966 } d6dc1a38635897 Juuso Oikarinen 2010-03-23 12967 :::::: The code at line 12933 was first introduced by commit :::::: 4a4b8169501b18c3450ac735a7e277b24886a651 cfg80211: Accept multiple RSSI thresholds for CQM :::::: TO: Andrew Zaborowski <andrew.zaborowski(a)intel.com> :::::: CC: Johannes Berg <johannes.berg(a)intel.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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