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 5.10-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-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 132b6a392b159d0d24738ad03cefafad55102275 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 19903de6268d..db5f6009fb49 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -1388,7 +1388,7 @@ 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;