rpmsg: qcom_smd: Fix returning 0 if irq_of_parse_and_map() fails

stable inclusion
from stable-v5.10.122
commit 52f327a45c5bb3b0bfc976770b866a8c7a573ed7
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5W6OE

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=52f327a45c5bb3b0bfc976770b866a8c7a573ed7

--------------------------------

[ Upstream commit 59d6f72f ]

irq_of_parse_and_map() returns 0 on failure, so this should not be
passed further as error return code.

Fixes: 1a358d35 ("rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value")
Signed-off-by: NKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220423093932.32136-1-krzysztof.kozlowski@linaro.orgSigned-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>

drivers/rpmsg/qcom_smd.c

@@ -1390,7 +1390,7 @@ 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;
 	}