| From 9a031ec9e688bb9f5e3e76c39e9f0c42ac9a78eb Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Sat, 6 Mar 2021 05:36:24 -0800 |
| Subject: rpmsg: qcom_glink_native: fix error return code of |
| qcom_glink_rx_data() |
| |
| From: Jia-Ju Bai <baijiaju1990@gmail.com> |
| |
| [ Upstream commit 26594c6bbb60c6bc87e3762a86ceece57d164c66 ] |
| |
| When idr_find() returns NULL to intent, no error return code of |
| qcom_glink_rx_data() is assigned. |
| To fix this bug, ret is assigned with -ENOENT in this case. |
| |
| Fixes: 64f95f87920d ("rpmsg: glink: Use the local intents when receiving data") |
| Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> |
| Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> |
| Link: https://lore.kernel.org/r/20210306133624.17237-1-baijiaju1990@gmail.com |
| Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| drivers/rpmsg/qcom_glink_native.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c |
| index 27a05167c18c..4840886532ff 100644 |
| --- a/drivers/rpmsg/qcom_glink_native.c |
| +++ b/drivers/rpmsg/qcom_glink_native.c |
| @@ -857,6 +857,7 @@ static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail) |
| dev_err(glink->dev, |
| "no intent found for channel %s intent %d", |
| channel->name, liid); |
| + ret = -ENOENT; |
| goto advance_rx; |
| } |
| } |
| -- |
| 2.30.2 |
| |