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Commit 6757eca3 authored by Mel Gorman's avatar Mel Gorman Committed by Greg Kroah-Hartman
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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: default avatarMel Gorman <mel@csn.ul.ie>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent e1955ca0

drivers/pci/pci-sysfs.c

+1 −1
Original line number Diff line number Diff line
@@ -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;