rpmsg: Fix rpmsg_create_ept return when RPMSG config is not defined

[ Upstream commit 537d3af1bee8ad1415fda9b622d1ea6d1ae76dfa ]

According to the description of the rpmsg_create_ept in rpmsg_core.c
the function should return NULL on error.

Fixes: 2c8a57088045 ("rpmsg: Provide function stubs for API")
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210712123912.10672-1-arnaud.pouliquen@foss.st.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index 9fe156d1c018e3d4dd5f5717a81fd9fde6212d96..a68972b097b7224ebbf9ebe0ad234de804f6e28d 100644 (file)
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -177,7 +177,7 @@ static inline struct rpmsg_endpoint *rpmsg_create_ept(struct rpmsg_device *rpdev
        /* This shouldn't be possible */
        WARN_ON(1);
 
-       return ERR_PTR(-ENXIO);
+       return NULL;
 }
 
 static inline int rpmsg_send(struct rpmsg_endpoint *ept, void *data, int len)