* [PATCH -next v2] ASoC: amd: Fix an ignored error return from platform_get_irq_byname()
@ 2022-03-04 0:45 Yang Li
2022-03-07 13:14 ` [PATCH " Mark Brown
2022-04-04 7:41 ` Mark Brown
0 siblings, 2 replies; 3+ messages in thread
From: Yang Li @ 2022-03-04 0:45 UTC (permalink / raw)
To: broonie
Cc: lgirdwood, perex, tiwai, tangmeng, alsa-devel, linux-kernel,
Yang Li, Abaci Robot
The return from the call to platform_get_irq_byname() is int, it can be
a negative error code, however this is being assigned to an unsigned
int variable 'adata->i2s_irq', so assign the value to 'ret' concurrently
to solve this problem without affecting other functions.
Eliminate the following coccicheck warning:
./sound/soc/amd/acp/acp-renoir.c:286:5-19: WARNING: Unsigned expression
compared with zero: adata -> i2s_irq < 0
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Fixes: 3304a242f45a ("ASoC: amd: Use platform_get_irq_byname() to get the interrupt")
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
---
--Changes in v2:
Report the error code is being returned rather than squashing it down to -ENODEV.
sound/soc/amd/acp/acp-renoir.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/soc/amd/acp/acp-renoir.c b/sound/soc/amd/acp/acp-renoir.c
index 738cf2e2b973..21e5c9744784 100644
--- a/sound/soc/amd/acp/acp-renoir.c
+++ b/sound/soc/amd/acp/acp-renoir.c
@@ -282,9 +282,9 @@ static int renoir_audio_probe(struct platform_device *pdev)
if (!adata->acp_base)
return -ENOMEM;
- adata->i2s_irq = platform_get_irq_byname(pdev, "acp_dai_irq");
- if (adata->i2s_irq < 0)
- return -ENODEV;
+ adata->i2s_irq = ret = platform_get_irq_byname(pdev, "acp_dai_irq");
+ if (ret < 0)
+ return ret;
adata->dev = dev;
adata->dai_driver = acp_renoir_dai;
--
2.20.1.7.g153144c
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2] ASoC: amd: Fix an ignored error return from platform_get_irq_byname()
2022-03-04 0:45 [PATCH -next v2] ASoC: amd: Fix an ignored error return from platform_get_irq_byname() Yang Li
@ 2022-03-07 13:14 ` Mark Brown
2022-04-04 7:41 ` Mark Brown
1 sibling, 0 replies; 3+ messages in thread
From: Mark Brown @ 2022-03-07 13:14 UTC (permalink / raw)
To: Yang Li
Cc: lgirdwood, perex, tiwai, tangmeng, alsa-devel, linux-kernel, Abaci Robot
[-- Attachment #1: Type: text/plain, Size: 403 bytes --]
On Fri, Mar 04, 2022 at 08:45:43AM +0800, Yang Li wrote:
> The return from the call to platform_get_irq_byname() is int, it can be
> a negative error code, however this is being assigned to an unsigned
> int variable 'adata->i2s_irq', so assign the value to 'ret' concurrently
> to solve this problem without affecting other functions.
This doesn't apply against current code, please check and resend.
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2] ASoC: amd: Fix an ignored error return from platform_get_irq_byname()
2022-03-04 0:45 [PATCH -next v2] ASoC: amd: Fix an ignored error return from platform_get_irq_byname() Yang Li
2022-03-07 13:14 ` [PATCH " Mark Brown
@ 2022-04-04 7:41 ` Mark Brown
1 sibling, 0 replies; 3+ messages in thread
From: Mark Brown @ 2022-04-04 7:41 UTC (permalink / raw)
To: Yang Li
Cc: lgirdwood, perex, tiwai, tangmeng, alsa-devel, linux-kernel, Abaci Robot
[-- Attachment #1: Type: text/plain, Size: 403 bytes --]
On Fri, Mar 04, 2022 at 08:45:43AM +0800, Yang Li wrote:
> The return from the call to platform_get_irq_byname() is int, it can be
> a negative error code, however this is being assigned to an unsigned
> int variable 'adata->i2s_irq', so assign the value to 'ret' concurrently
> to solve this problem without affecting other functions.
This doesn't apply against current code, please check and resend.
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]
^ permalink raw reply [flat|nested] 3+ messages in thread
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