On 05.01.21 17:51, George Prekas wrote:
> On 9/24/2020 9:20 AM, George Prekas wrote:
>> If the list is uninitialized (next pointer is NULL), list_for_each gets
>> stuck in an infinite loop. Print a message and treat list as empty.
>>
>> Signed-off-by: George Prekas <preka...@amazon.com>
>> ---
>> scripts/gdb/linux/lists.py | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/scripts/gdb/linux/lists.py b/scripts/gdb/linux/lists.py
>> index c487ddf09d38..bae4d70b7eae 100644
>> --- a/scripts/gdb/linux/lists.py
>> +++ b/scripts/gdb/linux/lists.py
>> @@ -27,6 +27,11 @@ def list_for_each(head):
>> raise TypeError("Must be struct list_head not {}"
>> .format(head.type))
>>
>> + if head['next'] == 0:
>> + gdb.write("list_for_each: Uninitialized list '{}' treated as
>> empty\n"
>> + .format(head.address))
>> + return
>> +
>> node = head['next'].dereference()
>> while node.address != head.address:
>> yield node.address
>
> Happy New Year!
Same to you!
>
> Any updates on this?
>
Sorry, slipped through.
Reviewed-by: Jan Kiszka <jan.kis...@siemens.com>
Andrew, please pick this up.
Jan
--
Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux
