diff mbox series

[4.14,262/323] rpmsg: qcom_glink_native: fix error return code of qcom_glink_rx_data()

Message ID 20210520092129.199979195@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman May 20, 2021, 9:22 a.m. UTC 
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 mbox series

Patch

diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
index 7802663efe33..67711537d3ff 100644
--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -856,6 +856,7 @@  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;
 		}
 	}