[PATCH v3 10/17] i3c: renesas: Return immediately if there is no transfer

From: Claudiu Beznea

Date: Mon Jun 08 2026 - 16:23:26 EST


From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxx>
---

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 4a055c9f4ffe..1fd39dd57847 100644
--- a/drivers/i3c/master/renesas-i3c.c
+++ b/drivers/i3c/master/renesas-i3c.c
@@ -1066,13 +1066,13 @@ 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