On Fri, Jul 07, 2023 at 03:26:19PM +0200, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> If the driver fails to obtain a DMA channel, it will initiate cleanup
> and try to release the DMA channel that couldn't be retrieved. This will
> cause a crash because the cleanup will try to dereference an ERR_PTR()-
> encoded error code.
>
> However, there's nothing to clean up at this point yet, so we can avoid
> this by simply resetting the DMA channel to NULL instead of storing the
> error code.
>
> Fixes: fcc8a89a1c83 ("i2c: tegra: Share same DMA channel for RX and TX")
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
Applied to for-current, thanks!
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