This is a note to let you know that I've just added the patch titled rpmsg: Fix rpmsg_create_ept return when RPMSG config is not defined to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rpmsg-fix-rpmsg_create_ept-return-when-rpmsg-config-.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit d2020546924ad497e78fc1ebee38d2aa46b295f7 Author: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx> Date: Mon Jul 12 14:39:12 2021 +0200 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@xxxxxxxxxxx> Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210712123912.10672-1-arnaud.pouliquen@xxxxxxxxxxx Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index 9fe156d1c018e..a68972b097b72 100644 --- 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)