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sysfs: Initialised pci bus legacy_mem field before use

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PPC64 is failing to boot the latest mmotm due to an uninitialised pointer in
pci_create_legacy_files(). The surprise is that machines boot at all and it
would appear to affect current mainline as well.  This patch fixes the problem.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Mel Gorman 2010-03-10 22:48:34 +00:00 committed by Greg Kroah-Hartman
parent e1955ca0ee
commit 6757eca348
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/pci-sysfs.c
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@ -655,8 +655,8 @@ 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);
b->legacy_mem = b->legacy_io + 1;
sysfs_bin_attr_init(b->legacy_mem);
b->legacy_mem->attr.name = "legacy_mem";
b->legacy_mem->size = 1024*1024;
b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR;