* drivers/iommu/intel/iommu.c:760 device_lookup_iommu() error: we previously assumed 'pdev' could be null (see line 733)
@ 2024-10-10 2:53 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2024-10-10 2:53 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Dan Carpenter
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Lu Baolu <baolu.lu@linux.intel.com>
CC: Joerg Roedel <jroedel@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d3d1556696c1a993eec54ac585fe5bf677e07474
commit: 1903ef8f0d77680e6eb36bd0cc3ea3aa6e95a050 iommu/vt-d: Refactor device_to_iommu() to retrieve iommu directly
date: 10 months ago
:::::: branch date: 4 hours ago
:::::: commit date: 10 months ago
config: i386-randconfig-141-20241010 (https://download.01.org/0day-ci/archive/20241010/202410101027.p2fluL6L-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
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@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202410101027.p2fluL6L-lkp@intel.com/
New smatch warnings:
drivers/iommu/intel/iommu.c:760 device_lookup_iommu() error: we previously assumed 'pdev' could be null (see line 733)
Old smatch warnings:
drivers/iommu/intel/iommu.c:469 domain_update_iommu_coherency() warn: iterator 'i' not incremented
drivers/iommu/intel/iommu.c:240 clear_context_copied() warn: clear_bit() takes a bit number
drivers/iommu/intel/iommu.c:2164 switch_to_super_page() warn: iterator 'i' not incremented
drivers/iommu/intel/iommu.c:234 set_context_copied() warn: set_bit() takes a bit number
drivers/iommu/intel/iommu.c:3286 intel_iommu_add() warn: missing unwind goto?
drivers/iommu/intel/iommu.c:4282 intel_iommu_tlb_sync() warn: iterator 'i' not incremented
drivers/iommu/intel/iommu.c:4720 intel_iommu_iotlb_sync_map() warn: iterator 'i' not incremented
vim +/pdev +760 drivers/iommu/intel/iommu.c
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 705
1903ef8f0d7768 drivers/iommu/intel/iommu.c Lu Baolu 2023-12-18 706 static struct intel_iommu *device_lookup_iommu(struct device *dev, u8 *bus, u8 *devfn)
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 707 {
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 708 struct dmar_drhd_unit *drhd = NULL;
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 709 struct pci_dev *pdev = NULL;
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 710 struct intel_iommu *iommu;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 711 struct device *tmp;
aa4d066a2a8041 drivers/iommu/intel-iommu.c Yijing Wang 2014-05-26 712 u16 segment = 0;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 713 int i;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 714
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 715 if (!dev)
4ed6a540fab8ea drivers/iommu/intel-iommu.c David Woodhouse 2015-05-11 716 return NULL;
4ed6a540fab8ea drivers/iommu/intel-iommu.c David Woodhouse 2015-05-11 717
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 718 if (dev_is_pci(dev)) {
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 719 struct pci_dev *pf_pdev;
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 720
e3560ee4cfb29e drivers/iommu/intel-iommu.c Jon Derrick 2020-01-21 721 pdev = pci_real_dma_dev(to_pci_dev(dev));
5823e330b58c52 drivers/iommu/intel-iommu.c Jon Derrick 2017-08-30 722
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 723 /* VFs aren't listed in scope tables; we need to look up
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 724 * the PF instead to find the IOMMU. */
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 725 pf_pdev = pci_physfn(pdev);
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 726 dev = &pf_pdev->dev;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 727 segment = pci_domain_nr(pdev->bus);
ca5b74d2675a44 drivers/iommu/intel-iommu.c Rafael J. Wysocki 2015-03-16 728 } else if (has_acpi_companion(dev))
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 729 dev = &ACPI_COMPANION(dev)->dev;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 730
0e242612d9cdb4 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 731 rcu_read_lock();
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 732 for_each_iommu(iommu, drhd) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 @733 if (pdev && segment != drhd->segment)
276dbf997043cb drivers/pci/intel-iommu.c David Woodhouse 2009-04-04 734 continue;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 735
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 736 for_each_active_dev_scope(drhd->devices,
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 737 drhd->devices_cnt, i, tmp) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 738 if (tmp == dev) {
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 739 /* For a VF use its original BDF# not that of the PF
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 740 * which we used for the IOMMU lookup. Strictly speaking
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 741 * we could do this for all PCI devices; we only need to
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 742 * get the BDF# from the scope table for ACPI matches. */
5003ae1e735e6b drivers/iommu/intel-iommu.c Koos Vriezen 2017-03-01 743 if (pdev && pdev->is_virtfn)
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 744 goto got_pdev;
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 745
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 746 if (bus && devfn) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 747 *bus = drhd->devices[i].bus;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 748 *devfn = drhd->devices[i].devfn;
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 749 }
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 750 goto out;
924b6231edfaf1 drivers/pci/intel-iommu.c David Woodhouse 2009-04-04 751 }
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 752
b9a7f9816483b1 drivers/iommu/intel-iommu.c Eric Auger 2019-06-03 753 if (is_downstream_to_pci_bridge(dev, tmp))
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 754 goto got_pdev;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 755 }
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 756
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 757 if (pdev && drhd->include_all) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 758 got_pdev:
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 759 if (bus && devfn) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 @760 *bus = pdev->bus->number;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 761 *devfn = pdev->devfn;
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 762 }
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 763 goto out;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 764 }
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 765 }
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 766 iommu = NULL;
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 767 out:
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 768 if (iommu_is_dummy(iommu, dev))
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 769 iommu = NULL;
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 770
0e242612d9cdb4 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 771 rcu_read_unlock();
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 772
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 773 return iommu;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 774 }
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 775
:::::: The code at line 760 was first introduced by commit
:::::: 156baca8d31e1aced2c8a14262637aef1ab416b9 iommu/vt-d: Make device_to_iommu() cope with non-PCI devices
:::::: TO: David Woodhouse <David.Woodhouse@intel.com>
:::::: CC: David Woodhouse <David.Woodhouse@intel.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* drivers/iommu/intel/iommu.c:760 device_lookup_iommu() error: we previously assumed 'pdev' could be null (see line 733)
@ 2024-12-31 15:48 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2024-12-31 15:48 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Dan Carpenter
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Lu Baolu <baolu.lu@linux.intel.com>
CC: Joerg Roedel <jroedel@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ccb98ccef0e543c2bd4ef1a72270461957f3d8d0
commit: 1903ef8f0d77680e6eb36bd0cc3ea3aa6e95a050 iommu/vt-d: Refactor device_to_iommu() to retrieve iommu directly
date: 1 year ago
:::::: branch date: 20 hours ago
:::::: commit date: 1 year ago
config: x86_64-randconfig-161-20241229 (https://download.01.org/0day-ci/archive/20241231/202412312302.PrwVZ709-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
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@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202412312302.PrwVZ709-lkp@intel.com/
New smatch warnings:
drivers/iommu/intel/iommu.c:760 device_lookup_iommu() error: we previously assumed 'pdev' could be null (see line 733)
Old smatch warnings:
drivers/iommu/intel/iommu.c:469 domain_update_iommu_coherency() warn: iterator 'i' not incremented
drivers/iommu/intel/iommu.c:240 clear_context_copied() warn: clear_bit() takes a bit number
drivers/iommu/intel/iommu.c:2164 switch_to_super_page() warn: iterator 'i' not incremented
drivers/iommu/intel/iommu.c:234 set_context_copied() warn: set_bit() takes a bit number
drivers/iommu/intel/iommu.c:3286 intel_iommu_add() warn: missing unwind goto?
drivers/iommu/intel/iommu.c:4282 intel_iommu_tlb_sync() warn: iterator 'i' not incremented
drivers/iommu/intel/iommu.c:4720 intel_iommu_iotlb_sync_map() warn: iterator 'i' not incremented
vim +/pdev +760 drivers/iommu/intel/iommu.c
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 705
1903ef8f0d7768 drivers/iommu/intel/iommu.c Lu Baolu 2023-12-18 706 static struct intel_iommu *device_lookup_iommu(struct device *dev, u8 *bus, u8 *devfn)
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 707 {
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 708 struct dmar_drhd_unit *drhd = NULL;
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 709 struct pci_dev *pdev = NULL;
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 710 struct intel_iommu *iommu;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 711 struct device *tmp;
aa4d066a2a8041 drivers/iommu/intel-iommu.c Yijing Wang 2014-05-26 712 u16 segment = 0;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 713 int i;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 714
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 715 if (!dev)
4ed6a540fab8ea drivers/iommu/intel-iommu.c David Woodhouse 2015-05-11 716 return NULL;
4ed6a540fab8ea drivers/iommu/intel-iommu.c David Woodhouse 2015-05-11 717
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 718 if (dev_is_pci(dev)) {
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 719 struct pci_dev *pf_pdev;
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 720
e3560ee4cfb29e drivers/iommu/intel-iommu.c Jon Derrick 2020-01-21 721 pdev = pci_real_dma_dev(to_pci_dev(dev));
5823e330b58c52 drivers/iommu/intel-iommu.c Jon Derrick 2017-08-30 722
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 723 /* VFs aren't listed in scope tables; we need to look up
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 724 * the PF instead to find the IOMMU. */
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 725 pf_pdev = pci_physfn(pdev);
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 726 dev = &pf_pdev->dev;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 727 segment = pci_domain_nr(pdev->bus);
ca5b74d2675a44 drivers/iommu/intel-iommu.c Rafael J. Wysocki 2015-03-16 728 } else if (has_acpi_companion(dev))
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 729 dev = &ACPI_COMPANION(dev)->dev;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 730
0e242612d9cdb4 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 731 rcu_read_lock();
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 732 for_each_iommu(iommu, drhd) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 @733 if (pdev && segment != drhd->segment)
276dbf997043cb drivers/pci/intel-iommu.c David Woodhouse 2009-04-04 734 continue;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 735
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 736 for_each_active_dev_scope(drhd->devices,
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 737 drhd->devices_cnt, i, tmp) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 738 if (tmp == dev) {
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 739 /* For a VF use its original BDF# not that of the PF
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 740 * which we used for the IOMMU lookup. Strictly speaking
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 741 * we could do this for all PCI devices; we only need to
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 742 * get the BDF# from the scope table for ACPI matches. */
5003ae1e735e6b drivers/iommu/intel-iommu.c Koos Vriezen 2017-03-01 743 if (pdev && pdev->is_virtfn)
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 744 goto got_pdev;
1c387188c60f53 drivers/iommu/intel-iommu.c Ashok Raj 2016-10-21 745
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 746 if (bus && devfn) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 747 *bus = drhd->devices[i].bus;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 748 *devfn = drhd->devices[i].devfn;
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 749 }
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 750 goto out;
924b6231edfaf1 drivers/pci/intel-iommu.c David Woodhouse 2009-04-04 751 }
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 752
b9a7f9816483b1 drivers/iommu/intel-iommu.c Eric Auger 2019-06-03 753 if (is_downstream_to_pci_bridge(dev, tmp))
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 754 goto got_pdev;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 755 }
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 756
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 757 if (pdev && drhd->include_all) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 758 got_pdev:
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 759 if (bus && devfn) {
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 @760 *bus = pdev->bus->number;
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 761 *devfn = pdev->devfn;
dd6692f1b883ba drivers/iommu/intel/iommu.c Lu Baolu 2020-07-24 762 }
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 763 goto out;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 764 }
156baca8d31e1a drivers/iommu/intel-iommu.c David Woodhouse 2014-03-09 765 }
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 766 iommu = NULL;
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 767 out:
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 768 if (iommu_is_dummy(iommu, dev))
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 769 iommu = NULL;
2d33b7d631d9dc drivers/iommu/intel/iommu.c Lu Baolu 2020-09-03 770
0e242612d9cdb4 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 771 rcu_read_unlock();
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 772
b683b230a244c3 drivers/iommu/intel-iommu.c Jiang Liu 2014-02-19 773 return iommu;
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 774 }
c7151a8dfefd11 drivers/pci/intel-iommu.c Weidong Han 2008-12-08 775
:::::: The code at line 760 was first introduced by commit
:::::: 156baca8d31e1aced2c8a14262637aef1ab416b9 iommu/vt-d: Make device_to_iommu() cope with non-PCI devices
:::::: TO: David Woodhouse <David.Woodhouse@intel.com>
:::::: CC: David Woodhouse <David.Woodhouse@intel.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2024-12-31 15:49 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
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2024-12-31 15:48 drivers/iommu/intel/iommu.c:760 device_lookup_iommu() error: we previously assumed 'pdev' could be null (see line 733) kernel test robot
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2024-10-10 2:53 kernel test robot
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