This is a note to let you know that I've just added the patch titled
rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value
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-irq_of_parse_and_map-return-value.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 ab514c72a56f7701627a0f3937ce9dc749d08c27
Author: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Date: Fri Apr 22 12:53:26 2022 +0200
rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value
[ Upstream commit 1a358d35066487d228a68303d808bc4721c6b1b9 ]
The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO.
Fixes: 53e2822e56c7 ("rpmsg: Introduce Qualcomm SMD backend")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220422105326.78713-1-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 764c980507be..6ccfa12abd10 100644
--- a/drivers/rpmsg/qcom_smd.c
+++ b/drivers/rpmsg/qcom_smd.c
@@ -1407,7 +1407,7 @@ static int qcom_smd_parse_edge(struct device *dev,
edge->name = node->name;
irq = irq_of_parse_and_map(node, 0);
- if (irq < 0) {
+ if (!irq) {
dev_err(dev, "required smd interrupt missing\n");
ret = irq;
goto put_node;
