This is a note to let you know that I've just added the patch titled
rpmsg: qcom_smd: Fix returning 0 if irq_of_parse_and_map() fails
to the 5.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rpmsg-qcom_smd-fix-returning-0-if-irq_of_parse_and_m.patch
and it can be found in the queue-5.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a5452e97e7a92cfc6335090f165c955d7a9fb1ce
Author: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Date: Sat Apr 23 11:39:32 2022 +0200
rpmsg: qcom_smd: Fix returning 0 if irq_of_parse_and_map() fails
[ Upstream commit 59d6f72f6f9c92fec8757d9e29527da828e9281f ]
irq_of_parse_and_map() returns 0 on failure, so this should not be
passed further as error return code.
Fixes: 1a358d350664 ("rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220423093932.32136-1-krzysztof.kozlowski@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 6ccfa12abd10..1957b27c4cf3 100644
--- a/drivers/rpmsg/qcom_smd.c
+++ b/drivers/rpmsg/qcom_smd.c
@@ -1409,7 +1409,7 @@ static int qcom_smd_parse_edge(struct device *dev,
irq = irq_of_parse_and_map(node, 0);
if (!irq) {
dev_err(dev, "required smd interrupt missing\n");
- ret = irq;
+ ret = -EINVAL;
goto put_node;
}
