rpmsg: qcom_glink_native: fix error return code of qcom_glink_rx_data()
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Message ID 20210306133624.17237-1-baijiaju1990@gmail.com
State Accepted
Commit 26594c6bbb60c6bc87e3762a86ceece57d164c66
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Series
  • rpmsg: qcom_glink_native: fix error return code of qcom_glink_rx_data()
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Commit Message

Jia-Ju Bai March 6, 2021, 1:36 p.m. UTC
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.

Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
---
 drivers/rpmsg/qcom_glink_native.c | 1 +
 1 file changed, 1 insertion(+)

Patch
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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;
 		}
 	}