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sysfs: fix for thinko with sysfs_bin_attr_init()

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After merging the final tree, today's linux-next build (powerpc
allyesconfig) failed like this:

drivers/pci/pci-sysfs.c: In function 'pci_create_legacy_files':
drivers/pci/pci-sysfs.c:645: error: lvalue required as unary '&' operand
drivers/pci/pci-sysfs.c:658: error: lvalue required as unary '&' operand

Caused by commit "sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on
dynamic attributes" interacting with commit "sysfs: Use one lockdep
class per sysfs attribute") both from the driver-core tree.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Stephen Rothwell 2010-03-01 20:38:36 +11:00 committed by Greg Kroah-Hartman
parent 0f4288ec6f
commit 62e877b893
2 changed files with 3 additions and 3 deletions
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4
drivers/pci/pci-sysfs.c
View File

@ -642,7 +642,7 @@ void pci_create_legacy_files(struct pci_bus *b)
if (!b->legacy_io)
goto kzalloc_err;
sysfs_bin_attr_init(&b->legacy_io);
sysfs_bin_attr_init(b->legacy_io);
b->legacy_io->attr.name = "legacy_io";
b->legacy_io->size = 0xffff;
b->legacy_io->attr.mode = S_IRUSR | S_IWUSR;
@ -655,7 +655,7 @@ void pci_create_legacy_files(struct pci_bus *b)
goto legacy_io_err;
/* Allocated above after the legacy_io struct */
sysfs_bin_attr_init(&b->legacy_mem);
sysfs_bin_attr_init(b->legacy_mem);
b->legacy_mem = b->legacy_io + 1;
b->legacy_mem->attr.name = "legacy_mem";
b->legacy_mem->size = 1024*1024;

2
include/linux/sysfs.h
View File

@ -110,7 +110,7 @@ struct bin_attribute {
* enabled. Lockdep gives a nice error when your attribute is
* added to sysfs if you don't have this.
*/
#define sysfs_bin_attr_init(bin_attr) sysfs_attr_init(&bin_attr->attr)
#define sysfs_bin_attr_init(bin_attr) sysfs_attr_init(&(bin_attr)->attr)
struct sysfs_ops {
ssize_t (*show)(struct kobject *, struct attribute *,char *);