On Tue, Dec 12, 2023 at 03:42:27PM +0800, Li Zhijian wrote:
> It doesn't work for '[ operand1 -ne operand2 ]' where either operand1 or
> operand2 is not integer value.
> It's tested that bash 4.1/4.2/5.0/5.1 are impacted.

So, when validating the endpoint decoder settings the region_size and
region_base were not really being checked. With this syntax fix, the
check works as intended.

Please include such an impact statement.

Alison

> 
> Per bash man page, use '[[ ]]' command to evaluate operands as arithmetic
> expressions
> 
> Fix errors:
> line 111: [: 0x80000000: integer expression expected
> line 112: [: 0x3ff110000000: integer expression expected
> line 141: [: 0x80000000: integer expression expected
> line 143: [: 0x3ff110000000: integer expression expected
> 
> Signed-off-by: Li Zhijian <[email protected]>
> ---
> V2: use '[[ ]]' instead of conversion before comparing in V1
> ---
>  test/cxl-region-sysfs.sh | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/test/cxl-region-sysfs.sh b/test/cxl-region-sysfs.sh
> index 8636392..6a5da6d 100644
> --- a/test/cxl-region-sysfs.sh
> +++ b/test/cxl-region-sysfs.sh
> @@ -108,8 +108,8 @@ do
>  
>       sz=$(cat /sys/bus/cxl/devices/$i/size)
>       res=$(cat /sys/bus/cxl/devices/$i/start)
> -     [ $sz -ne $region_size ] && err "$LINENO: decoder: $i sz: $sz 
> region_size: $region_size"
> -     [ $res -ne $region_base ] && err "$LINENO: decoder: $i base: $res 
> region_base: $region_base"
> +     [[ $sz -ne $region_size ]] && err "$LINENO: decoder: $i sz: $sz 
> region_size: $region_size"
> +     [[ $res -ne $region_base ]] && err "$LINENO: decoder: $i base: $res 
> region_base: $region_base"
>  done
>  
>  # validate all switch decoders have the correct settings
> @@ -138,9 +138,9 @@ do
>  
>       res=$(echo $decoder | jq -r ".resource")
>       sz=$(echo $decoder | jq -r ".size")
> -     [ $sz -ne $region_size ] && err \
> +     [[ $sz -ne $region_size ]] && err \
>       "$LINENO: decoder: $i sz: $sz region_size: $region_size"
> -     [ $res -ne $region_base ] && err \
> +     [[ $res -ne $region_base ]] && err \
>       "$LINENO: decoder: $i base: $res region_base: $region_base"
>  done
>  
> -- 
> 2.41.0
> 
> 

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