Hi,
On Thu, Aug 6, 2009 at 1:04 PM, Prasad Joshi<prasadjoshi124@xxxxxxxxx> wrote:
> Hi All,
>
> I am porting a Windows device driver to Linux.
>
> I defined a macro for CONTANING_RECORD like
> #define CONTAINING_RECORD(ptr, type, member) list_entry((ptr), (type),
> (member))
>
> When i compiled my module, i got following errors
>
> $ make 2>&1 | grep 1132
> alloc.c:1132: error: expected expression before ‘)’ token
> alloc.c:1132: error: expected identifier before ‘(’ token
> alloc.c:1132: warning: type defaults to ‘int’ in declaration of ‘__mptr’
> alloc.c:1132: warning: initialization from incompatible pointer type
> alloc.c:1132: error: expected expression before ‘)’ token
>
>
> Corresponding code snippet
>
> 1130 list_for_each(Entry, &Ptr->ActiveList[target]) {
> 1131
> 1132 node = CONTAINING_RECORD(Entry, IFTL_EU, link);
Could you please post also what type is IFTL_EU? list_entry is just wrapper
for container_of and I think there could be a problem.
> 1133
> 1134 die = DIE_FROM_EU(node->eu);
> 1135
> 1136 if (Ptr->LastDie != die) {
> 1137 Ptr->LastDie = die;
> 1138 break;
> 1139 }
> 1140 }
>
>
>
> Then I changed macro with
> #define CONTAINING_RECORD list_entry
> $ make 2>&1 | grep 1132
> $
>
> And it worked, but I am not getting what was problem with the first macro
> definition.
>
> Thanks and Regards,
> Prasad
>
>
>
>
>
good luck,
Marek
--
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