Unverified Commit 020667d6 authored by Clément Léger's avatar Clément Léger Committed by Palmer Dabbelt
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riscv: process: use unsigned int instead of unsigned long for put_user() 



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: default avatarClément Léger <cleger@rivosinc.com>
Reviewed-by: default avatarAlexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20250602193918.868962-3-cleger@rivosinc.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@dabbelt.com>
parent a4348546

arch/riscv/kernel/process.c

+1 −1
Original line number Diff line number Diff line
@@ -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)