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riscv: process: use unsigned int instead of unsigned long for put_user()

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The specification of prctl() for GET_UNALIGN_CTL states that the value is
returned in an unsigned int * address passed as an unsigned long. Change
the type to match that and avoid an unaligned access as well.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20250602193918.868962-3-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
This commit is contained in:
Clément Léger 2025-06-02 21:39:15 +02:00 committed by Palmer Dabbelt
parent a434854633
commit 020667d661
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1 changed files with 1 additions and 1 deletions
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arch/riscv/kernel/process.c
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@ -57,7 +57,7 @@ int get_unalign_ctl(struct task_struct *tsk, unsigned long adr)
if (!unaligned_ctl_available())
return -EINVAL;
return put_user(tsk->thread.align_ctl, (unsigned long __user *)adr);
return put_user(tsk->thread.align_ctl, (unsigned int __user *)adr);
}
void __show_regs(struct pt_regs *regs)