tree 04db33f553c478df2134aa1d887049517a92164b
parent 1d8286ccbcc6f2f5abca386430825e4c3983edc7
author Bjorn Andersson <bjorn.andersson@linaro.org> 1480640395 -0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1484217571 +0100

rpmsg: qcom_smd: Correct return value for O_NONBLOCK

commit 1d74e7ed5dc1903ac081574a9b6aa94e7ba4ad45 upstream.

qcom_smd_send() should return -EAGAIN for non-blocking channels with
insufficient space, so that we can propagate this event to user space.

Fixes: 53e2822e56c7 ("rpmsg: Introduce Qualcomm SMD backend")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>