On Mon, Feb 19, 2018 at 7:21 PM, Heinrich Schuchardt <xypron.g...@gmx.de> wrote:
> On 02/19/2018 04:48 PM, Simon Glass wrote:
>>
>> The current code causes a compiler error on gcc 4.8.4 as used by sandbox
>
>
> gcc 4 is legacy. The current version of ggc is 7.3.
> The current version of Ubuntu is 17.10.

It's still a supported LTS release, 4.8.x is also the core version of
gcc in RHEL-7 so it's likely still useful to support 4.8.x

> The commit message should describe the warning produced by gcc.
>
> The patch might quiet a warning but does not get to the point.
>
> In query_console_serial() term_read_reply() might return less than 3 values.
> In this case rows and columns is still based on an uninitialized value.
>
> Best regards
>
> Heinrich
>
>> on Ubuntu 14.04, which is fairly recent. Init these variables to fix the
>> problem.
>>
>> Signed-off-by: Simon Glass <s...@chromium.org>
>> ---
>>
>> Changes in v3:
>> - Add new patch to init the 'rows' and 'cols' variables
>>
>> Changes in v2: None
>>
>>   lib/efi_loader/efi_console.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c
>> index 28d63635ec..971e36da48 100644
>> --- a/lib/efi_loader/efi_console.c
>> +++ b/lib/efi_loader/efi_console.c
>> @@ -242,7 +242,7 @@ static efi_status_t EFIAPI efi_cout_query_mode(
>>         if (!console_size_queried) {
>>                 const char *stdout_name = env_get("stdout");
>> -               int rows, cols;
>> +               int rows = 0, cols = 0;
>>                 console_size_queried = true;
>>
>
>
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