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When building with a version of clang that supports the narrower '-fms-anonymous-structs' (as opposed to the wider '-fms-extensions') along with the associated kernel support (such as in next-20260312 [1]), there are warnings (or errors with CONFIG_WERROR=y / W=e) from the switch statement added by commit47ab777c16("drm/amdgpu/discovery: use common function to check discovery table"). drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:560:3: error: label followed by a declaration is a C23 extension [-Werror,-Wc23-extensions] 560 | struct ip_discovery_header *ihdr = | ^ drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:568:3: error: label followed by a declaration is a C23 extension [-Werror,-Wc23-extensions] 568 | struct gpu_info_header *ghdr = | ^ drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:576:3: error: label followed by a declaration is a C23 extension [-Werror,-Wc23-extensions] 576 | struct harvest_info_header *hhdr = | ^ drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:584:3: error: label followed by a declaration is a C23 extension [-Werror,-Wc23-extensions] 584 | struct vcn_info_header *vhdr = | ^ drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:592:3: error: label followed by a declaration is a C23 extension [-Werror,-Wc23-extensions] 592 | struct mall_info_header *mhdr = | ^ If '-fms-extensions' were not present, this would be a hard error in older clang versions. Add braces to the case statements that declare variables to clear up the warnings. Fixes:47ab777c16("drm/amdgpu/discovery: use common function to check discovery table") Link:0d3fccf68d[1] Signed-off-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>