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    Subject[PATCH 4.19 201/323] rpmsg: Fix rpmsg_create_ept return when RPMSG config is not defined
    Date
    From: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>

    [ 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>
    ---
    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 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)
    --
    2.33.0


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