dmaengine: imx-sdma: Fix error checking in sdma_event_remap
[ Upstream commit 7104b9cb ] of_parse_phandle() returns NULL on errors, rather than error pointers. Using NULL check on grp_np to fix this. Fixes: d078cd1b ("dmaengine: imx-sdma: Add imx6sx platform support") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r/20220308064952.15743-1-linmq006@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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12aa8021
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