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    Subject[PATCH 5.10 015/172] rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value
    Date
    From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

    [ 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@linaro.org>
    Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
    Link: https://lore.kernel.org/r/20220422105326.78713-1-krzysztof.kozlowski@linaro.org
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 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;
    --
    2.35.1


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