From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> [ 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> --- drivers/rpmsg/qcom_smd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index aa008fa11002..6e09fccd2e87 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; -- 2.35.1