From 537d3af1bee8ad1415fda9b622d1ea6d1ae76dfa Mon Sep 17 00:00:00 2001
From: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Date: Mon, 12 Jul 2021 14:39:12 +0200
Subject: [PATCH] rpmsg: Fix rpmsg_create_ept return when RPMSG config is not defined
Git-commit: 537d3af1bee8ad1415fda9b622d1ea6d1ae76dfa
Patch-mainline: v5.16-rc1
References: git-fixes stable-5.14.19
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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)
--
2.26.2