Re: [PATCH] of: fix expression using sizeof(void)

2019-04-10 Thread Frank Rowand
On 4/10/19 6:47 PM, xiaojiangfeng wrote:
> problem detected by sparse:
> drivers/of/fdt.c:1094:34: warning: expression using sizeof(void)
> 
> Signed-off-by: xiaojiangfeng 
> ---
>  drivers/of/fdt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> index 4734223..75c6c55 100644
> --- a/drivers/of/fdt.c
> +++ b/drivers/of/fdt.c
> @@ -1091,7 +1091,7 @@ int __init early_init_dt_scan_chosen(unsigned long 
> node, const char *uname,
>   /* Retrieve command line */
>   p = of_get_flat_dt_prop(node, "bootargs", );
>   if (p != NULL && l > 0)
> - strlcpy(data, p, min((int)l, COMMAND_LINE_SIZE));
> + strlcpy(data, p, COMMAND_LINE_SIZE);
>  
>   /*
>* CONFIG_CMDLINE is meant to be a default in case nothing else
> 

The fuller discussion is in the thread where you first attempted to fix an
issue with the line of code and I reported a sparse error against this line.

After digging deeper, your first patch is valid, removing min() here is not
the correct approach.  I will add my Reviewed-by to the first patch and I
will pursue the sparse warning separately.

Thanks,

Frank


[PATCH] of: fix expression using sizeof(void)

2019-04-10 Thread xiaojiangfeng
problem detected by sparse:
drivers/of/fdt.c:1094:34: warning: expression using sizeof(void)

Signed-off-by: xiaojiangfeng 
---
 drivers/of/fdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 4734223..75c6c55 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1091,7 +1091,7 @@ int __init early_init_dt_scan_chosen(unsigned long node, 
const char *uname,
/* Retrieve command line */
p = of_get_flat_dt_prop(node, "bootargs", );
if (p != NULL && l > 0)
-   strlcpy(data, p, min((int)l, COMMAND_LINE_SIZE));
+   strlcpy(data, p, COMMAND_LINE_SIZE);
 
/*
 * CONFIG_CMDLINE is meant to be a default in case nothing else
-- 
1.8.5.6