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SubjectRe: linux-next: build failure after merge of the pm tree


On 2015/2/9 10:26, Stephen Rothwell wrote:
> Hi Rafael,
>
> After merging the pm tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> In file included from drivers/of/of_pci.c:1:0:
> drivers/of/of_pci.c: In function 'of_pci_get_host_bridge_resources':
> include/linux/list.h:447:43: error: dereferencing pointer to incomplete type
> for (pos = list_first_entry(head, typeof(*pos), member); \
> ^
> include/linux/kernel.h:799:18: note: in definition of macro 'container_of'
> const typeof( ((type *)0)->member ) *__mptr = (ptr); \
> ^
> include/linux/list.h:363:2: note: in expansion of macro 'list_entry'
> list_entry((ptr)->next, type, member)
> ^
> include/linux/list.h:447:13: note: in expansion of macro 'list_first_entry'
> for (pos = list_first_entry(head, typeof(*pos), member); \
> ^
> drivers/of/of_pci.c:229:2: note: in expansion of macro 'list_for_each_entry'
> list_for_each_entry(window, resources, list)
> ^
> include/linux/kernel.h:799:48: warning: initialization from incompatible pointer type
> const typeof( ((type *)0)->member ) *__mptr = (ptr); \
> ^
> include/linux/list.h:352:2: note: in expansion of macro 'container_of'
> container_of(ptr, type, member)
> ^
> include/linux/list.h:363:2: note: in expansion of macro 'list_entry'
> list_entry((ptr)->next, type, member)
> ^
> include/linux/list.h:447:13: note: in expansion of macro 'list_first_entry'
> for (pos = list_first_entry(head, typeof(*pos), member); \
> ^
> drivers/of/of_pci.c:229:2: note: in expansion of macro 'list_for_each_entry'
> list_for_each_entry(window, resources, list)
> ^
> include/linux/list.h:447:43: error: dereferencing pointer to incomplete type
> for (pos = list_first_entry(head, typeof(*pos), member); \
> ^
> include/linux/kernel.h:800:3: note: in definition of macro 'container_of'
> (type *)( (char *)__mptr - offsetof(type,member) );})
> ^
> include/linux/list.h:363:2: note: in expansion of macro 'list_entry'
> list_entry((ptr)->next, type, member)
> ^
> include/linux/list.h:447:13: note: in expansion of macro 'list_first_entry'
> for (pos = list_first_entry(head, typeof(*pos), member); \
> ^
> drivers/of/of_pci.c:229:2: note: in expansion of macro 'list_for_each_entry'
> list_for_each_entry(window, resources, list)
> ^
> In file included from include/linux/compiler-gcc.h:106:0,
> from include/linux/compiler.h:54,
> from include/linux/linkage.h:4,
> from include/linux/kernel.h:6,
> from drivers/of/of_pci.c:1:
> include/linux/list.h:447:43: error: dereferencing pointer to incomplete type
> for (pos = list_first_entry(head, typeof(*pos), member); \
> ^
> include/linux/compiler-gcc4.h:14:53: note: in definition of macro '__compiler_offsetof'
> #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
> ^
> include/linux/kernel.h:800:29: note: in expansion of macro 'offsetof'
> (type *)( (char *)__mptr - offsetof(type,member) );})
> ^
> include/linux/list.h:352:2: note: in expansion of macro 'container_of'
> container_of(ptr, type, member)
> ^
> include/linux/list.h:363:2: note: in expansion of macro 'list_entry'
> list_entry((ptr)->next, type, member)
> ^
> include/linux/list.h:447:13: note: in expansion of macro 'list_first_entry'
> for (pos = list_first_entry(head, typeof(*pos), member); \
> ^
> drivers/of/of_pci.c:229:2: note: in expansion of macro 'list_for_each_entry'
> list_for_each_entry(window, resources, list)
> ^
> In file included from include/linux/kobject.h:20:0,
> from include/linux/of.h:21,
> from drivers/of/of_pci.c:3:
> include/linux/list.h:448:11: error: dereferencing pointer to incomplete type
> &pos->member != (head); \
> ^
> drivers/of/of_pci.c:229:2: note: in expansion of macro 'list_for_each_entry'
> list_for_each_entry(window, resources, list)
> ^
> In file included from drivers/of/of_pci.c:1:0:
> include/linux/list.h:393:40: error: dereferencing pointer to incomplete type
> list_entry((pos)->member.next, typeof(*(pos)), member)
> ^
> include/linux/kernel.h:799:18: note: in definition of macro 'container_of'
> const typeof( ((type *)0)->member ) *__mptr = (ptr); \
> ^
> include/linux/list.h:393:2: note: in expansion of macro 'list_entry'
> list_entry((pos)->member.next, typeof(*(pos)), member)
> ^
> include/linux/list.h:449:13: note: in expansion of macro 'list_next_entry'
> pos = list_next_entry(pos, member))
> ^
> drivers/of/of_pci.c:229:2: note: in expansion of macro 'list_for_each_entry'
> list_for_each_entry(window, resources, list)
> ^
> include/linux/list.h:393:18: error: dereferencing pointer to incomplete type
> list_entry((pos)->member.next, typeof(*(pos)), member)
> ^
> include/linux/kernel.h:799:49: note: in definition of macro 'container_of'
> const typeof( ((type *)0)->member ) *__mptr = (ptr); \
> ^
> include/linux/list.h:393:2: note: in expansion of macro 'list_entry'
> list_entry((pos)->member.next, typeof(*(pos)), member)
> ^
> include/linux/list.h:449:13: note: in expansion of macro 'list_next_entry'
> pos = list_next_entry(pos, member))
> ^
> drivers/of/of_pci.c:229:2: note: in expansion of macro 'list_for_each_entry'
> list_for_each_entry(window, resources, list)
> ^
> include/linux/list.h:393:40: error: dereferencing pointer to incomplete type
> list_entry((pos)->member.next, typeof(*(pos)), member)
> ^
> include/linux/kernel.h:800:3: note: in definition of macro 'container_of'
> (type *)( (char *)__mptr - offsetof(type,member) );})
> ^
> include/linux/list.h:393:2: note: in expansion of macro 'list_entry'
> list_entry((pos)->member.next, typeof(*(pos)), member)
> ^
> include/linux/list.h:449:13: note: in expansion of macro 'list_next_entry'
> pos = list_next_entry(pos, member))
> ^
> drivers/of/of_pci.c:229:2: note: in expansion of macro 'list_for_each_entry'
> list_for_each_entry(window, resources, list)
> ^
> In file included from include/linux/compiler-gcc.h:106:0,
> from include/linux/compiler.h:54,
> from include/linux/linkage.h:4,
> from include/linux/kernel.h:6,
> from drivers/of/of_pci.c:1:
> include/linux/list.h:393:40: error: dereferencing pointer to incomplete type
> list_entry((pos)->member.next, typeof(*(pos)), member)
> ^
> include/linux/compiler-gcc4.h:14:53: note: in definition of macro '__compiler_offsetof'
> #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
> ^
> include/linux/kernel.h:800:29: note: in expansion of macro 'offsetof'
> (type *)( (char *)__mptr - offsetof(type,member) );})
> ^
> include/linux/list.h:352:2: note: in expansion of macro 'container_of'
> container_of(ptr, type, member)
> ^
> include/linux/list.h:393:2: note: in expansion of macro 'list_entry'
> list_entry((pos)->member.next, typeof(*(pos)), member)
> ^
> include/linux/list.h:449:13: note: in expansion of macro 'list_next_entry'
> pos = list_next_entry(pos, member))
> ^
> drivers/of/of_pci.c:229:2: note: in expansion of macro 'list_for_each_entry'
> list_for_each_entry(window, resources, list)
> ^
> drivers/of/of_pci.c:230:15: error: dereferencing pointer to incomplete type
> kfree(window->res);
> ^
>
> Caused by commit 14d76b68f281 ("PCI: Use common resource list
> management code instead of private implementation") interacting with
> commit d2be00c0fb5a ("of/pci: Free resources on failure in
> of_pci_get_host_bridge_resources()") from the pci tree.
>
> I applied the following merge fix patch (which may need more work?).
Hi Stephen,
Thanks for fixing it and there should no more work needed.
Regards!
Gerry

> Someone needs to remember to tell Linus about this fix (or similar)
> when these trees get merged.
>
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Mon, 9 Feb 2015 13:08:24 +1100
> Subject: [PATCH] of/pci: fix up for "PCI: Use common resource list management
> code instead of private implementation"
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
> drivers/of/of_pci.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/of/of_pci.c b/drivers/of/of_pci.c
> index 60dc36c865b5..110fece2ff53 100644
> --- a/drivers/of/of_pci.c
> +++ b/drivers/of/of_pci.c
> @@ -140,7 +140,7 @@ int of_pci_get_host_bridge_resources(struct device_node *dev,
> unsigned char busno, unsigned char bus_max,
> struct list_head *resources, resource_size_t *io_base)
> {
> - struct pci_host_bridge_window *window;
> + struct resource_entry *window;
> struct resource *res;
> struct resource *bus_range;
> struct of_pci_range range;
> @@ -226,7 +226,7 @@ int of_pci_get_host_bridge_resources(struct device_node *dev,
> conversion_failed:
> kfree(res);
> parse_failed:
> - list_for_each_entry(window, resources, list)
> + resource_list_for_each_entry(window, resources)
> kfree(window->res);
> pci_free_resource_list(resources);
> kfree(bus_range);
>


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