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i3c: renesas: Return immediately if there is no transfer

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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@bp.renesas.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Tested-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Link: https://patch.msgid.link/20260713130545.568657-11-claudiu.beznea+renesas@tuxon.dev
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Claudiu Beznea 2026-07-13 16:05:38 +03:00 committed by Alexandre Belloni
parent 35e9bb2be1
commit 33b5ecc5a1
1 changed files with 3 additions and 3 deletions
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6
drivers/i3c/master/renesas-i3c.c
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@ -959,13 +959,13 @@ 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);