Re: [PATCH] dax: fix default return code of range_parse()

[Dan Williams]

On Wed, Feb 10, 2021 at 10:19 AM Joao Martins  wrote:
>
> On 1/26/21 2:13 AM, Shiyang Ruan wrote:
> > The return value of range_parse() indicates the size when it is
> > positive.  The error code should be negative.
> >
> > Signed-off-by: Shiyang Ruan 
>
> Reviewed-by: Joao Martins 
>
> Although, FWIW, there was another patch exactly like this a couple
> months ago, albeit it didn't get pulled for some reason:
>
> https://lore.kernel.org/linux-nvdimm/20201026110425.136629-1-zhangqilo...@huawei.com/

Apologies for missing these... applied now.

Re: [PATCH] dax: fix default return code of range_parse()

[Joao Martins]

On 1/26/21 2:13 AM, Shiyang Ruan wrote:
> The return value of range_parse() indicates the size when it is
> positive.  The error code should be negative.
> 
> Signed-off-by: Shiyang Ruan 

Reviewed-by: Joao Martins 

Although, FWIW, there was another patch exactly like this a couple
months ago, albeit it didn't get pulled for some reason:

https://lore.kernel.org/linux-nvdimm/20201026110425.136629-1-zhangqilo...@huawei.com/

> ---
>  drivers/dax/bus.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
> index 737b207c9e30..3003558c1a8b 100644
> --- a/drivers/dax/bus.c
> +++ b/drivers/dax/bus.c
> @@ -1038,7 +1038,7 @@ static ssize_t range_parse(const char *opt, size_t len, 
> struct range *range)
>  {
>   unsigned long long addr = 0;
>   char *start, *end, *str;
> - ssize_t rc = EINVAL;
> + ssize_t rc = -EINVAL;
>  
>   str = kstrdup(opt, GFP_KERNEL);
>   if (!str)
> 

Re: [PATCH] dax: fix default return code of range_parse()

[Ruan Shiyang]

ping

On 2021/1/26 上午10:13, Shiyang Ruan wrote:

The return value of range_parse() indicates the size when it is
positive.  The error code should be negative.

Signed-off-by: Shiyang Ruan 
---
  drivers/dax/bus.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 737b207c9e30..3003558c1a8b 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -1038,7 +1038,7 @@ static ssize_t range_parse(const char *opt, size_t len, 
struct range *range)
  {
unsigned long long addr = 0;
char *start, *end, *str;
-   ssize_t rc = EINVAL;
+   ssize_t rc = -EINVAL;
  
  	str = kstrdup(opt, GFP_KERNEL);

if (!str)

[PATCH] dax: fix default return code of range_parse()

[Shiyang Ruan]

The return value of range_parse() indicates the size when it is
positive.  The error code should be negative.

Signed-off-by: Shiyang Ruan 
---
 drivers/dax/bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 737b207c9e30..3003558c1a8b 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -1038,7 +1038,7 @@ static ssize_t range_parse(const char *opt, size_t len, 
struct range *range)
 {
unsigned long long addr = 0;
char *start, *end, *str;
-   ssize_t rc = EINVAL;
+   ssize_t rc = -EINVAL;
 
str = kstrdup(opt, GFP_KERNEL);
if (!str)
-- 
2.30.0