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Date: Tue, 3 Nov 2015 12:28:10 +0200 From: Peter Ujfalusi <peter.ujfalusi@...com> To: <vinod.koul@...el.com> CC: <linux-kernel@...r.kernel.org>, <dmaengine@...r.kernel.org>, <devicetree@...r.kernel.org>, <robh+dt@...nel.org>, <grant.likely@...aro.org> Subject: [PATCH] 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@...com> --- include/linux/of_dma.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h index 36112cdd665a..b90d8ec57c1f 100644 --- a/include/linux/of_dma.h +++ b/include/linux/of_dma.h @@ -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, -- 2.6.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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