[android-common:android12-5.10 0/2] drivers/crypto/qat/qat_common/adf_isr.c:128:43: warning: taking address of packed member 'status' of class or structure 'adf_accel_dev' may result in an unaligned pointer value

[android-common:android12-5.10 0/2] drivers/crypto/qat/qat_common/adf_isr.c:128:43: warning: taking address of packed member 'status' of class or structure 'adf_accel_dev' may result in an unaligned pointer value

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android12-5.10
head:   263b10a805c674d459d56d22ffe205ade744fe7e
commit: 218c2836b3987f3fa1d9eac505462cded0821e4c [0/2] crypto: qat - fix VF2PF work teardown race in adf_disable_sriov()
config: i386-randconfig-1005-20260918 (https://download.01.org/0day-ci/archive/20260919/202609190537.B3RFOTVl-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 7252edd9aa82ef1c570ff6694ef7f4763a8a5d2f)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260919/202609190537.B3RFOTVl-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609190537.B3RFOTVl-lkp@intel.com/

All warnings (new ones prefixed by >>):

   clang: warning: optimization flag '-falign-jumps=0' is not supported [-Wignored-optimization-argument]
   In file included from drivers/crypto/qat/qat_common/adf_isr.c:6:
   In file included from include/linux/pci.h:35:
   In file included from include/linux/kobject.h:20:
   In file included from include/linux/sysfs.h:16:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/idr.h:15:
   In file included from include/linux/radix-tree.h:14:
   In file included from include/linux/percpu.h:6:
   In file included from include/linux/preempt.h:79:
   In file included from arch/x86/include/asm/preempt.h:7:
   In file included from include/linux/thread_info.h:39:
   arch/x86/include/asm/thread_info.h:185:13: warning: calling '__builtin_frame_address' with a nonzero argument is unsafe [-Wframe-address]
     185 |         oldframe = __builtin_frame_address(1);
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/thread_info.h:187:11: warning: calling '__builtin_frame_address' with a nonzero argument is unsafe [-Wframe-address]
     187 |                 frame = __builtin_frame_address(2);
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/crypto/qat/qat_common/adf_isr.c:6:
   In file included from include/linux/pci.h:35:
   In file included from include/linux/kobject.h:20:
   In file included from include/linux/sysfs.h:16:
   In file included from include/linux/kernfs.h:13:
   In file included from include/linux/idr.h:15:
   In file included from include/linux/radix-tree.h:19:
   In file included from include/linux/xarray.h:14:
   In file included from include/linux/gfp.h:6:
   include/linux/mmzone.h:1136:6: warning: variable 'nid' set but not used [-Wunused-but-set-variable]
    1136 |         int nid;
         |             ^
>> drivers/crypto/qat/qat_common/adf_isr.c:128:43: warning: taking address of packed member 'status' of class or structure 'adf_accel_dev' may result in an unaligned pointer value [-Waddress-of-packed-member]
     128 |         if (!test_bit(ADF_STATUS_IRQ_ALLOCATED, &accel_dev->status) || !msixe)
         |                                                  ^~~~~~~~~~~~~~~~~
   4 warnings generated.


vim +128 drivers/crypto/qat/qat_common/adf_isr.c

   119	
   120	void adf_isr_sync_ae_cluster(struct adf_accel_dev *accel_dev)
   121	{
   122		struct adf_accel_pci *pci_dev_info = &accel_dev->accel_pci_dev;
   123		struct adf_hw_device_data *hw_data = accel_dev->hw_device;
   124		struct msix_entry *msixe = pci_dev_info->msix_entries.entries;
   125		u32 num_entries = pci_dev_info->msix_entries.num_entries;
   126		u32 irq_idx;
   127	
 > 128		if (!test_bit(ADF_STATUS_IRQ_ALLOCATED, &accel_dev->status) || !msixe)
   129			return;
   130	
   131		irq_idx = num_entries > 1 ? hw_data->num_banks : 0;
   132		if (irq_idx >= num_entries)
   133			return;
   134	
   135		synchronize_irq(msixe[irq_idx].vector);
   136	}
   137	

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