linux-next: build failure after merge of the scsi-mkp tree

[Stephen Rothwell]

Hi all,

After merging the scsi-mkp tree, today's linux-next build (x86_64
allmodconfig) failed like this:

In file included from include/linux/bitmap.h:9,
                 from include/linux/cpumask.h:12,
                 from arch/x86/include/asm/cpumask.h:5,
                 from arch/x86/include/asm/msr.h:11,
                 from arch/x86/include/asm/processor.h:22,
                 from arch/x86/include/asm/cpufeature.h:5,
                 from arch/x86/include/asm/thread_info.h:53,
                 from include/linux/thread_info.h:60,
                 from arch/x86/include/asm/preempt.h:7,
                 from include/linux/preempt.h:78,
                 from include/linux/spinlock.h:55,
                 from include/linux/wait.h:9,
                 from include/linux/wait_bit.h:8,
                 from include/linux/fs.h:6,
                 from include/linux/highmem.h:5,
                 from include/linux/bvec.h:10,
                 from include/linux/blk_types.h:10,
                 from include/linux/blkdev.h:9,
                 from drivers/scsi/mpi3mr/mpi3mr.h:13,
                 from drivers/scsi/mpi3mr/mpi3mr_transport.c:10:
drivers/scsi/mpi3mr/mpi3mr_transport.c: In function 'mpi3mr_update_mr_sas_port':
include/linux/find.h:40:23: error: array subscript 'long unsigned int[0]' is partly outside array bounds of 'u32[1]' {aka 'unsigned int[1]'} [-Werror=array-bounds]
   40 |                 val = *addr & GENMASK(size - 1, offset);
      |                       ^~~~~
drivers/scsi/mpi3mr/mpi3mr_transport.c:1610:27: note: while referencing 'phys_to_be_added'
 1610 |         u32 phy_mask_xor, phys_to_be_added, phys_to_be_removed;
      |                           ^~~~~~~~~~~~~~~~
In file included from include/linux/bitmap.h:9,
                 from include/linux/cpumask.h:12,
                 from arch/x86/include/asm/cpumask.h:5,
                 from arch/x86/include/asm/msr.h:11,
                 from arch/x86/include/asm/processor.h:22,
                 from arch/x86/include/asm/cpufeature.h:5,
                 from arch/x86/include/asm/thread_info.h:53,
                 from include/linux/thread_info.h:60,
                 from arch/x86/include/asm/preempt.h:7,
                 from include/linux/preempt.h:78,
                 from include/linux/spinlock.h:55,
                 from include/linux/wait.h:9,
                 from include/linux/wait_bit.h:8,
                 from include/linux/fs.h:6,
                 from include/linux/highmem.h:5,
                 from include/linux/bvec.h:10,
                 from include/linux/blk_types.h:10,
                 from include/linux/blkdev.h:9,
                 from drivers/scsi/mpi3mr/mpi3mr.h:13,
                 from drivers/scsi/mpi3mr/mpi3mr_transport.c:10:
include/linux/find.h:40:23: error: array subscript 'long unsigned int[0]' is partly outside array bounds of 'u32[1]' {aka 'unsigned int[1]'} [-Werror=array-bounds]
   40 |                 val = *addr & GENMASK(size - 1, offset);
      |                       ^~~~~
drivers/scsi/mpi3mr/mpi3mr_transport.c:1610:45: note: while referencing 'phys_to_be_removed'
 1610 |         u32 phy_mask_xor, phys_to_be_added, phys_to_be_removed;
      |                                             ^~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

Caused by commit

  434726c4b89c ("scsi: mpi3mr: Refresh SAS ports during soft reset")

I have used the scsi-mkp tree from next-20220823 for today.

-- 
Cheers,
Stephen Rothwell

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