Commit 500404eb authored Nov 03, 2015 by Peter Ujfalusi Committed by Vinod Koul Nov 16, 2015

dmaengine: of_dma: Correct return code for of_dma_request_slave_channel in case !CONFIG_OF



of_dma_request_slave_channel should return either pointer for valid
dma_chan or ERR_PTR() error code, NULL is not expected to be returned.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

parent bf55555b

include/linux/of_dma.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -80,7 +80,7 @@ static inline int of_dma_router_register(struct device_node *np,
		static inline struct dma_chan of_dma_request_slave_channel(struct device_node np,
		const char *name)
		{
		return NULL;
		return ERR_PTR(-ENODEV);
		}

		static inline struct dma_chan of_dma_simple_xlate(struct of_phandle_args dma_spec,