Re: [PATCH] net: stmmac: fix missed le32_to_cpu()

[Maxime Chevallier <maxime.chevallier@bootlin.com>]

Hi Ben,

On 6/22/26 16:37, Ben Dooks wrote:
> The print in ndesc_display_ring() sends the des2 and des3
> to the pr_info() without passing them through the relevant
> conversion to cpu order.
> 
> Fix the (prototype) sparse warnings by using le32_to_cpu():
> drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17: warning: incorrect type in argument 6 (different base types)
> drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17:    expected unsigned int
> drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17:    got restricted __le32 [usertype] des2
> drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17: warning: incorrect type in argument 7 (different base types)
> drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17:    expected unsigned int
> drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17:    got restricted __le32 [usertype] des3
> 
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>

I agree on the principle, but this isn't a fix so this'll have to wait
until net-next re-opens :)

Thanks,

Maxime

> ---
>  drivers/net/ethernet/stmicro/stmmac/norm_desc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
> index c4b613564f87..74c9b7b1fe8f 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
> @@ -258,7 +258,7 @@ static void ndesc_display_ring(void *head, unsigned int size, bool rx,
>  		pr_info("%03d [%pad]: 0x%x 0x%x 0x%x 0x%x",
>  			i, &dma_addr,
>  			(unsigned int)x, (unsigned int)(x >> 32),
> -			p->des2, p->des3);
> +			le32_to_cpu(p->des2), le32_to_cpu(p->des3));
>  		p++;
>  	}
>  	pr_info("\n");