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5be7d4e3cf
Zero-length and one-element arrays are deprecated, and we are moving
towards adopting C99 flexible-array members, instead.
Use the DECLARE_FLEX_ARRAY() helper macro to transform zero-length
arrays in a union into flexible-array members. And replace a one-element
array with a C99 flexible-array member.
Address the following warnings found with GCC-13 and
-fstrict-flex-arrays=3 enabled:
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1009:89: warning: array subscript kk is outside array bounds of ‘uint32_t[0]’ {aka ‘unsigned int[]’} [-Warray-bounds=]
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1007:94: warning: array subscript kk is outside array bounds of ‘uint64_t[0]’ {aka ‘long long unsigned int[]’} [-Warray-bounds=]
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1310:94: warning: array subscript k is outside array bounds of ‘uint64_t[0]’ {aka ‘long long unsigned int[]’} [-Warray-bounds=]
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1309:57: warning: array subscript k is outside array bounds of ‘uint32_t[0]’ {aka ‘unsigned int[]’} [-Warray-bounds=]
This helps with the ongoing efforts to tighten the FORTIFY_SOURCE
routines on memcpy() and help us make progress towards globally
enabling -fstrict-flex-arrays=3 [1].
This results in no differences in binary output.
Link: https://github.com/KSPP/linux/issues/21
Link: https://github.com/KSPP/linux/issues/193
Link: https://github.com/KSPP/linux/issues/300
Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1]
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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| .. | ||
| asic_reg | ||
| ivsrcid | ||
| aldebaran_ip_offset.h | ||
| amd_acpi.h | ||
| amd_pcie_helpers.h | ||
| amd_pcie.h | ||
| amd_shared.h | ||
| arct_ip_offset.h | ||
| atom-bits.h | ||
| atom-names.h | ||
| atom-types.h | ||
| atombios.h | ||
| atomfirmware.h | ||
| atomfirmwareid.h | ||
| beige_goby_ip_offset.h | ||
| cgs_common.h | ||
| cik_structs.h | ||
| cyan_skillfish_ip_offset.h | ||
| dimgrey_cavefish_ip_offset.h | ||
| discovery.h | ||
| displayobject.h | ||
| dm_pp_interface.h | ||
| kgd_kfd_interface.h | ||
| kgd_pp_interface.h | ||
| mes_api_def.h | ||
| mes_v11_api_def.h | ||
| navi10_enum.h | ||
| navi10_ip_offset.h | ||
| navi12_ip_offset.h | ||
| navi14_ip_offset.h | ||
| pptable.h | ||
| renoir_ip_offset.h | ||
| sienna_cichlid_ip_offset.h | ||
| soc15_hw_ip.h | ||
| soc15_ih_clientid.h | ||
| soc21_enum.h | ||
| v9_structs.h | ||
| v10_structs.h | ||
| v11_structs.h | ||
| vangogh_ip_offset.h | ||
| vega10_enum.h | ||
| vega10_ip_offset.h | ||
| vega20_ip_offset.h | ||
| vi_structs.h | ||
| yellow_carp_offset.h | ||