Re: [PATCH -next] ASoC: sprd: Fix return value check in sprd_mcdt_probe()

2019-04-29 Thread Baolin Wang
On Mon, 29 Apr 2019 at 20:15, Wei Yongjun  wrote:
>
> In case of error, the function devm_ioremap_resource() returns ERR_PTR()
> and never returns NULL. The NULL test in the return value check should
> be replaced with IS_ERR().
>
> Fixes: d7bff893e04f ("ASoC: sprd: Add Spreadtrum multi-channel data transfer 
> support")
> Signed-off-by: Wei Yongjun 

Thanks for fixing my mistake.
Reviewed-by: Baolin Wang 

> ---
>  sound/soc/sprd/sprd-mcdt.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/sound/soc/sprd/sprd-mcdt.c b/sound/soc/sprd/sprd-mcdt.c
> index 28f5e649733d..e9318d7a4810 100644
> --- a/sound/soc/sprd/sprd-mcdt.c
> +++ b/sound/soc/sprd/sprd-mcdt.c
> @@ -951,8 +951,8 @@ static int sprd_mcdt_probe(struct platform_device *pdev)
>
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> mcdt->base = devm_ioremap_resource(>dev, res);
> -   if (!mcdt->base)
> -   return -ENOMEM;
> +   if (IS_ERR(mcdt->base))
> +   return PTR_ERR(mcdt->base);
>
> mcdt->dev = >dev;
> spin_lock_init(>lock);
>
>
>


-- 
Baolin Wang
Best Regards


[PATCH -next] ASoC: sprd: Fix return value check in sprd_mcdt_probe()

2019-04-29 Thread Wei Yongjun
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Fixes: d7bff893e04f ("ASoC: sprd: Add Spreadtrum multi-channel data transfer 
support")
Signed-off-by: Wei Yongjun 
---
 sound/soc/sprd/sprd-mcdt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/sprd/sprd-mcdt.c b/sound/soc/sprd/sprd-mcdt.c
index 28f5e649733d..e9318d7a4810 100644
--- a/sound/soc/sprd/sprd-mcdt.c
+++ b/sound/soc/sprd/sprd-mcdt.c
@@ -951,8 +951,8 @@ static int sprd_mcdt_probe(struct platform_device *pdev)
 
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mcdt->base = devm_ioremap_resource(>dev, res);
-   if (!mcdt->base)
-   return -ENOMEM;
+   if (IS_ERR(mcdt->base))
+   return PTR_ERR(mcdt->base);
 
mcdt->dev = >dev;
spin_lock_init(>lock);