[PATCH v5 10/17] i3c: renesas: Return immediately if there is no transfer

[Frank Li]

On Mon, Jul 13, 2026 at 04:05:38PM +0300, Claudiu Beznea wrote:
> From: Claudiu Beznea <claudiu.beznea.uj at bp.renesas.com>
>
> There is no need to allocate a transfer structure when i2c_nxfers is zero.
> Return immediately instead of unnecessarily allocating memory.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj at bp.renesas.com>
> ---
Reviewed-by: Frank Li <Frank.Li at nxp.com>

>
> Changes in v5:
> - none
>
> Changes in v4:
> - none
>
> Changes in v3:
> - none
>
> Changes in v2:
> - updated patch title
>
>  drivers/i3c/master/renesas-i3c.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/i3c/master/renesas-i3c.c b/drivers/i3c/master/renesas-i3c.c
> index 915090d0ad37..9a3613220034 100644
> --- a/drivers/i3c/master/renesas-i3c.c
> +++ b/drivers/i3c/master/renesas-i3c.c
> @@ -957,13 +957,13 @@ static int renesas_i3c_i2c_xfers(struct i2c_dev_desc *dev,
>  	u8 start_bit = CNDCTL_STCND;
>  	int i;
>
> +	if (!i2c_nxfers)
> +		return 0;
> +
>  	struct renesas_i3c_xfer *xfer __free(kfree) = renesas_i3c_alloc_xfer(i3c, 1);
>  	if (!xfer)
>  		return -ENOMEM;
>
> -	if (!i2c_nxfers)
> -		return 0;
> -
>  	renesas_i3c_bus_enable(m, false);
>
>  	init_completion(&xfer->comp);
> --
> 2.43.0
>