[PATCH v2] rpmsg: Fix rpmsg_create_ept return when RPMSG config is not defined

[Arnaud Pouliquen]

This is a minor fix.

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

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx>
Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
---

update from V1:
- add Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
- rebased on kernel V.14-rc1. 

---
 include/linux/rpmsg.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index d97dcd049f18..a8dcf8a9ae88 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -231,7 +231,7 @@ 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)
-- 
2.17.1