2022-04-22 17:44:45

by Krzysztof Kozlowski

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Subject: [PATCH] rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value

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 <[email protected]>
---
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;
--
2.32.0


2022-04-23 09:10:49

by Bjorn Andersson

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Subject: Re: (subset) [PATCH] rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value

On Fri, 22 Apr 2022 12:53:26 +0200, Krzysztof Kozlowski wrote:
> The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO.
>
>

Applied, thanks!

[1/1] rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value
commit: 1a358d35066487d228a68303d808bc4721c6b1b9

Best regards,
--
Bjorn Andersson <[email protected]>

2022-04-23 14:17:23

by Krzysztof Kozlowski

[permalink] [raw]
Subject: Re: (subset) [PATCH] rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value

On 23/04/2022 05:46, Bjorn Andersson wrote:
> On Fri, 22 Apr 2022 12:53:26 +0200, Krzysztof Kozlowski wrote:
>> The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO.
>>
>>
>
> Applied, thanks!
>
> [1/1] rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value
> commit: 1a358d35066487d228a68303d808bc4721c6b1b9

Thanks, unfortunately Jakub Kicinski pointed out issue with returning 0
later, which needs a fix. I'll send a fix which can be squashed.


Best regards,
Krzysztof