Re: [PATCH] atm: fore200e.c: Cleaning up uninitialized variables

From: Rickard Strandqvist
Date: Mon Jun 02 2014 - 15:40:15 EST


Hi

No, regardless if it is a program that cppcheck or myself with limited
experience of kernel programming is not so easy to figure out.

But then I know that there is nothing wrong in this case, and that is
the main thing :-)

Best regards
Rickard Strandqvist


2014-06-02 2:10 GMT+02:00 Olof Johansson <olof@xxxxxxxxx>:
> On Sat, May 31, 2014 at 4:08 PM, Rickard Strandqvist
> <rickard_strandqvist@xxxxxxxxxxxxxxxxxx> wrote:
>> There is a risk that the variable will be used without being initialized.
>>
>> This was largely found by using a static code analysis program called cppcheck.
>>
>> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
>> ---
>> drivers/atm/fore200e.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
>> index 204814e..d4725fc 100644
>> --- a/drivers/atm/fore200e.c
>> +++ b/drivers/atm/fore200e.c
>> @@ -2780,7 +2780,7 @@ static struct pci_driver fore200e_pca_driver = {
>>
>> static int __init fore200e_module_init(void)
>> {
>> - int err;
>> + int err = 0;
>>
>> printk(FORE200E "FORE Systems 200E-series ATM driver - version " FORE200E_VERSION "\n");
>
>
> I can see how a tool that doesn't know about Kconfig dependencies
> might think so, but if you look at Kconfig you'll see that for this
> driver to be enabled for building either CONFIG_SBUS or CONFIG_PCI
> must be set, and if either of them is then this variable will not be
> used without first being set.
>
>
> -Olof
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/