dmaengine: stm32: dmamux: fix OF node leak on route allocation failure

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commit b1b590a590 upstream.

Make sure to drop the reference taken to the DMA master OF node also on
late route allocation failures.

Fixes: df7e762db5 ("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>
Link: https://patch.msgid.link/20251117161258.10679-12-johan@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Johan Hovold 2025-11-17 17:12:53 +01:00 • committed by Greg Kroah-Hartman

parent 2fb10259d4

commit f45cafe3b6

1 changed files with 3 additions and 1 deletions

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drivers/dma/stm32/stm32-dmamux.c

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