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authorMel Gorman <mel@csn.ul.ie>2010-03-10 23:48:34 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-19 15:12:11 +0100
commit6757eca348fbbdd4ab1020e565f325cd6a6b2698 (patch)
tree5180a866a033ddbfc7f9c093a94493e4f1a602a2 /drivers/pci/pci-sysfs.c
parentsysfs: use sysfs_bin_attr_init in firmware class driver (diff)
downloadlinux-6757eca348fbbdd4ab1020e565f325cd6a6b2698.tar.xz
linux-6757eca348fbbdd4ab1020e565f325cd6a6b2698.zip
sysfs: Initialised pci bus legacy_mem field before use
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>
Diffstat (limited to 'drivers/pci/pci-sysfs.c')
-rw-r--r--drivers/pci/pci-sysfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index de296452c957..997668558e79 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -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;