[PATCH 0/2] dmaengine: Add cleanup to simple code
Frank Li
Frank.Li at nxp.com
Thu Oct 2 12:49:40 PDT 2025
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 at kernel.org>
To: Dong Aisheng <aisheng.dong at nxp.com>
To: Andi Shyti <andi.shyti at kernel.org>
To: Shawn Guo <shawnguo at kernel.org>
To: Sascha Hauer <s.hauer at pengutronix.de>
To: Pengutronix Kernel Team <kernel at pengutronix.de>
To: Fabio Estevam <festevam at gmail.com>
Cc: dmaengine at vger.kernel.org
Cc: linux-kernel at vger.kernel.org
Cc: linux-i2c at vger.kernel.org
Cc: imx at lists.linux.dev
Cc: linux-arm-kernel at lists.infradead.org
Cc: carlos.song at nxp.com
Signed-off-by: Frank Li <Frank.Li at nxp.com>
---
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 | 4 +++-
2 files changed, 6 insertions(+), 9 deletions(-)
---
base-commit: 019ffdd87705bcef1ca5cf9bfdd2b358ce190ab5
change-id: 20251001-dma_chan_free-0392f4004d9e
Best regards,
--
Frank Li <Frank.Li at nxp.com>
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