From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Ujfalusi Subject: [PATCH] dmaengine: of_dma: Correct return code for of_dma_request_slave_channel in case !CONFIG_OF Date: Tue, 3 Nov 2015 12:28:10 +0200 Message-ID: <1446546490-7432-1-git-send-email-peter.ujfalusi@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org List-Id: devicetree@vger.kernel.org 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 --- 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 devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html