From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Julia Lawall <julia.lawall@inria.fr>
Subject: drivers/acpi/riscv/irq.c:161:24-28: ERROR: invalid reference to the index variable of the iterator on line 155
Date: Sat, 08 Aug 2026 09:18:09 +0800 [thread overview]
Message-ID: <202608080854.TQ2iA4Di-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Sunil V L <sunilvl@ventanamicro.com>
CC: Paul Walmsley <pjw@kernel.org>
CC: Anup Patel <apatel@ventanamicro.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: bcc44b6785f216eb939226ade6e3910baa30516b
commit: 4d185fdeef67d0c2c5d4a142392cf1ade3786dd2 ACPI: RISC-V: Add support to update gsi range
date: 11 months ago
:::::: branch date: 2 hours ago
:::::: commit date: 11 months ago
config: riscv-randconfig-r063-20260807 (https://download.01.org/0day-ci/archive/20260808/202608080854.TQ2iA4Di-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
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
| Fixes: 4d185fdeef67 ("ACPI: RISC-V: Add support to update gsi range")
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202608080854.TQ2iA4Di-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> drivers/acpi/riscv/irq.c:161:24-28: ERROR: invalid reference to the index variable of the iterator on line 155
vim +161 drivers/acpi/riscv/irq.c
e77b8dc02a1ca22 Sunil V L 2024-08-12 133
e77b8dc02a1ca22 Sunil V L 2024-08-12 134 static int __init riscv_acpi_register_ext_intc(u32 gsi_base, u32 nr_irqs, u32 nr_idcs,
e77b8dc02a1ca22 Sunil V L 2024-08-12 135 u32 id, u32 type)
e77b8dc02a1ca22 Sunil V L 2024-08-12 136 {
4d185fdeef67d0c Sunil V L 2025-08-18 137 struct riscv_ext_intc_list *ext_intc_element, *node, *prev;
e77b8dc02a1ca22 Sunil V L 2024-08-12 138
e77b8dc02a1ca22 Sunil V L 2024-08-12 139 ext_intc_element = kzalloc(sizeof(*ext_intc_element), GFP_KERNEL);
e77b8dc02a1ca22 Sunil V L 2024-08-12 140 if (!ext_intc_element)
e77b8dc02a1ca22 Sunil V L 2024-08-12 141 return -ENOMEM;
e77b8dc02a1ca22 Sunil V L 2024-08-12 142
e77b8dc02a1ca22 Sunil V L 2024-08-12 143 ext_intc_element->gsi_base = gsi_base;
4d185fdeef67d0c Sunil V L 2025-08-18 144
4d185fdeef67d0c Sunil V L 2025-08-18 145 /* If nr_irqs is zero, indicate it in flag and set to max range possible */
4d185fdeef67d0c Sunil V L 2025-08-18 146 if (nr_irqs) {
e77b8dc02a1ca22 Sunil V L 2024-08-12 147 ext_intc_element->nr_irqs = nr_irqs;
4d185fdeef67d0c Sunil V L 2025-08-18 148 } else {
4d185fdeef67d0c Sunil V L 2025-08-18 149 ext_intc_element->flag |= RISCV_ACPI_INTC_FLAG_PENDING;
4d185fdeef67d0c Sunil V L 2025-08-18 150 ext_intc_element->nr_irqs = U32_MAX - ext_intc_element->gsi_base;
4d185fdeef67d0c Sunil V L 2025-08-18 151 }
4d185fdeef67d0c Sunil V L 2025-08-18 152
e77b8dc02a1ca22 Sunil V L 2024-08-12 153 ext_intc_element->nr_idcs = nr_idcs;
e77b8dc02a1ca22 Sunil V L 2024-08-12 154 ext_intc_element->id = id;
694b2ef1e73c5ee Sunil V L 2025-08-18 @155 list_for_each_entry(node, &ext_intc_list, list) {
694b2ef1e73c5ee Sunil V L 2025-08-18 156 if (node->gsi_base < ext_intc_element->gsi_base)
694b2ef1e73c5ee Sunil V L 2025-08-18 157 break;
694b2ef1e73c5ee Sunil V L 2025-08-18 158 }
694b2ef1e73c5ee Sunil V L 2025-08-18 159
4d185fdeef67d0c Sunil V L 2025-08-18 160 /* Adjust the previous node's GSI range if that has pending registration */
4d185fdeef67d0c Sunil V L 2025-08-18 @161 prev = list_prev_entry(node, list);
4d185fdeef67d0c Sunil V L 2025-08-18 162 if (!list_entry_is_head(prev, &ext_intc_list, list)) {
4d185fdeef67d0c Sunil V L 2025-08-18 163 if (prev->flag & RISCV_ACPI_INTC_FLAG_PENDING)
4d185fdeef67d0c Sunil V L 2025-08-18 164 prev->nr_irqs = ext_intc_element->gsi_base - prev->gsi_base;
4d185fdeef67d0c Sunil V L 2025-08-18 165 }
4d185fdeef67d0c Sunil V L 2025-08-18 166
694b2ef1e73c5ee Sunil V L 2025-08-18 167 list_add_tail(&ext_intc_element->list, &node->list);
e77b8dc02a1ca22 Sunil V L 2024-08-12 168 return 0;
e77b8dc02a1ca22 Sunil V L 2024-08-12 169 }
e77b8dc02a1ca22 Sunil V L 2024-08-12 170
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-08-08 1:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-08 1:18 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-06-29 11:31 drivers/acpi/riscv/irq.c:161:24-28: ERROR: invalid reference to the index variable of the iterator on line 155 kernel test robot
2026-05-04 1:50 kernel test robot
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