From 1a358d35066487d228a68303d808bc4721c6b1b9 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Fri, 22 Apr 2022 12:53:26 +0200
Subject: [PATCH] rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value
Git-commit: 1a358d35066487d228a68303d808bc4721c6b1b9
Patch-mainline: v5.19-rc1
References: git-fixes
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@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220422105326.78713-1-krzysztof.kozlowski@linaro.org
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 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;
--
2.35.3