On 02-01-2007 08:51, David Miller wrote:
> From: Mariusz Kozlowski <[email protected]>
> Date: Tue, 2 Jan 2007 00:55:51 +0100
>
>> On error we should start freeing resources at [i-1] not [i-2].
>>
>> Signed-off-by: Mariusz Kozlowski <[email protected]>
>
> Patch applied, thanks Mariusz.
>
>> diff -upr linux-2.6.20-rc2-mm1-a/drivers/net/ifb.c linux-2.6.20-rc2-mm1-b/drivers/net/ifb.c
>> --- linux-2.6.20-rc2-mm1-a/drivers/net/ifb.c 2006-12-24 05:00:32.000000000 +0100
>> +++ linux-2.6.20-rc2-mm1-b/drivers/net/ifb.c 2007-01-02 00:25:34.000000000 +0100
>> @@ -271,8 +271,7 @@ static int __init ifb_init_module(void)
>> for (i = 0; i < numifbs && !err; i++)
>> err = ifb_init_one(i);
>> if (err) {
>> - i--;
>> - while (--i >= 0)
>> + while (i--)
>> ifb_free_one(i);
>> }
After this patch:
for (i = 0 ...); // i == 0
err = ifb_init_one(i); // err != 0
i++; // i == 1
for (... !err ...); // break
if (err) {
while (i--) // i == 1 (when testing)
ifb_free_one(i); // i == 0 (not initialized)
}
Btw. wasn't this place patched yet?
Regards,
Jarek P.
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