[PATCH v2 0/2] dmaengine: Add cleanup to simple code

[Frank Li]

start_dma()
{
        struct dma_async_tx_descriptor *rx_cmd_desc __free(dma_async_tx_descriptor) = NULL;
        ...
        cookie = dmaengine_submit(rx_cmd_desc);
        if (dma_submit_error(cookie))
                return dma_submit_error(cookie);
        ...
        retain_and_null_ptr(rx_cmd_desc);

        return 0;
}

To: Vinod Koul <vkoul@xxxxxxxxxx>
To: Dong Aisheng <aisheng.dong@xxxxxxx>
To: Andi Shyti <andi.shyti@xxxxxxxxxx>
To: Shawn Guo <shawnguo@xxxxxxxxxx>
To: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
To: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
To: Fabio Estevam <festevam@xxxxxxxxx>
Cc: dmaengine@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-i2c@xxxxxxxxxxxxxxx
Cc: imx@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: carlos.song@xxxxxxx

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
Changes in v2:
- fix reduntant empty line remove
- fix goto branch in i2c
- Link to v1: https://lore.kernel.org/r/20251002-dma_chan_free-v1-0-4dbf116c2b19@xxxxxxx

---
Frank Li (2):
      dmaengine: Add cleanup FREE defines for dma_async_tx_descriptor
      i2c: lpi2c: Use cleanup helper for dma_async_tx_descriptor error handling

 drivers/i2c/busses/i2c-imx-lpi2c.c | 11 +++--------
 include/linux/dmaengine.h          |  3 +++
 2 files changed, 6 insertions(+), 8 deletions(-)
---
base-commit: 019ffdd87705bcef1ca5cf9bfdd2b358ce190ab5
change-id: 20251001-dma_chan_free-0392f4004d9e

Best regards,
--
Frank Li <Frank.Li@xxxxxxx>