Re: [PATCH] of/address: Fix of_node memory leak in of_dma_is_coherent

From: Rob Herring
Date: Wed Nov 11 2020 - 14:07:54 EST


On Tue, 10 Nov 2020 15:28:25 +1300, Evan Nimmo wrote:
> Commit dabf6b36b83a ("of: Add OF_DMA_DEFAULT_COHERENT & select it on
> powerpc") added a check to of_dma_is_coherent which returns early
> if OF_DMA_DEFAULT_COHERENT is enabled. This results in the of_node_put()
> being skipped causing a memory leak. Moved the of_node_get() below this
> check so we now we only get the node if OF_DMA_DEFAULT_COHERENT is not
> enabled.
>
> Fixes: dabf6b36b83a ("of: Add OF_DMA_DEFAULT_COHERENT & select it on
> powerpc")
>
> Signed-off-by: Evan Nimmo <evan.nimmo@xxxxxxxxxxxxxxxxxxx>
> ---
> drivers/of/address.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>

Applied, thanks!