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author | Yinghai Lu <yinghai@kernel.org> | 2012-02-20 17:23:47 -0800 |
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committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2012-02-23 12:01:33 -0800 |
commit | 1cc1c96c1658bfaf85d06d764bd7ac00640ae90f (patch) | |
tree | f7b51471928173aabe4af2e5a68c7cae4feff78a /Documentation | |
parent | 45196cee28a5bcfb6ddbe2bffa4270cbed66ae4b (diff) | |
download | linux-1cc1c96c1658bfaf85d06d764bd7ac00640ae90f.tar.gz linux-1cc1c96c1658bfaf85d06d764bd7ac00640ae90f.tar.bz2 linux-1cc1c96c1658bfaf85d06d764bd7ac00640ae90f.zip |
PCI: fix memleak when ACPI _CRS is not used.
warning:
unreferenced object 0xffff8801f6914200 (size 512):
comm "swapper/0", pid 1, jiffies 4294893643 (age 2664.644s)
hex dump (first 32 bytes):
00 00 c0 fe 00 00 00 00 ff ff ff ff 00 00 00 00 ................
60 58 2f f6 03 88 ff ff 00 02 00 00 00 00 00 00 `X/.............
backtrace:
[<ffffffff81c2408c>] kmemleak_alloc+0x26/0x43
[<ffffffff8113764f>] __kmalloc+0x121/0x183
[<ffffffff81ca8d93>] get_current_resources+0x5a/0xc6
[<ffffffff81c5bedd>] pci_acpi_scan_root+0x13c/0x21c
[<ffffffff81c2a745>] acpi_pci_root_add+0x1e1/0x421
[<ffffffff81408f50>] acpi_device_probe+0x50/0x190
[<ffffffff8149edc7>] really_probe+0x99/0x126
[<ffffffff8149ef83>] driver_probe_device+0x3b/0x56
[<ffffffff8149effd>] __driver_attach+0x5f/0x82
[<ffffffff8149d860>] bus_for_each_dev+0x5c/0x88
[<ffffffff8149eb87>] driver_attach+0x1e/0x20
[<ffffffff8149e7cc>] bus_add_driver+0xca/0x21d
[<ffffffff8149f47b>] driver_register+0x91/0xfe
[<ffffffff81409d09>] acpi_bus_register_driver+0x43/0x45
[<ffffffff8278bdc9>] acpi_pci_root_init+0x20/0x28
[<ffffffff810001e7>] do_one_initcall+0x57/0x134
The system has _CRS for root buses, but they are not used because the machine
date is before the cutoff date for _CRS usage.
Try to free those unused resource arrays and names.
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions