riscv: cpufeature: Fix extension subset checking

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This loop is supposed to check if ext->subset_ext_ids[j] is valid, rather
than if ext->subset_ext_ids[i] is valid, before setting the extension
id ext->subset_ext_ids[j] in isainfo->isa.

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Fixes: 0d8295ed97 ("riscv: add ISA extension parsing for scalar crypto")
Link: https://lore.kernel.org/r/20240502-cpufeature_fixes-v4-2-b3d1a088722d@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Charlie Jenkins 2024-05-02 21:50:51 -07:00 • committed by Palmer Dabbelt

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arch/riscv/kernel/cpufeature.c

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