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    Subject[PATCH 02/14] drm/amd/pm: Replace one-element array with flexible-array member in struct vi_dpm_table
    There is a regular need in the kernel to provide a way to declare having
    a dynamically sized set of trailing elements in a structure. Kernel code
    should always use “flexible array members”[1] for these cases. The older
    style of one-element or zero-length arrays should no longer be used[2].

    Use a flexible-array member in struct vi_dpm_table instead of a
    one-element array.

    [1] https://en.wikipedia.org/wiki/Flexible_array_member
    [2] https://www.kernel.org/doc/html/v5.9-rc1/process/deprecated.html#zero-length-and-one-element-arrays

    Build-tested-by: kernel test robot <lkp@intel.com>
    Link: https://lore.kernel.org/lkml/5f7c433c.TTk9rnA+F58kyDUy%25lkp@intel.com/
    Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
    ---
    drivers/gpu/drm/amd/pm/inc/hwmgr.h | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/gpu/drm/amd/pm/inc/hwmgr.h b/drivers/gpu/drm/amd/pm/inc/hwmgr.h
    index a1dbfd5636e6..d68b547743e6 100644
    --- a/drivers/gpu/drm/amd/pm/inc/hwmgr.h
    +++ b/drivers/gpu/drm/amd/pm/inc/hwmgr.h
    @@ -60,7 +60,7 @@ struct vi_dpm_level {

    struct vi_dpm_table {
    uint32_t count;
    - struct vi_dpm_level dpm_level[1];
    + struct vi_dpm_level dpm_level[];
    };

    #define PCIE_PERF_REQ_REMOVE_REGISTRY 0
    --
    2.27.0
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