Re: [PATCH 09/15] dmaengine: stm32: dmamux: fix device leak on route allocation

On Tue, Nov 18, 2025 at 09:11:30AM +0100, Amelie Delaunay wrote:

On 11/17/25 17:12, Johan Hovold wrote:

...

Make sure to drop the reference taken when looking up the DMA mux platform device during route allocation.

Note that holding a reference to a device does not prevent its driver data from going away so there is no point in keeping the reference.

Fixes: df7e762db5f6 ("dmaengine: Add STM32 DMAMUX driver") Cc: stable@vger.kernel.org # 4.15 Cc: Pierre-Yves MORDRET pierre-yves.mordret@foss.st.com Signed-off-by: Johan Hovold johan@kernel.org

Reviewed-by: Amelie Delaunay amelie.delaunay@foss.st.com

Thanks for reviewing.

Johan