PCI: fix memleak for pci dev removing during hotplug
unreferenced object 0xffff880276d17700 (size 64):
comm "swapper/0", pid 1, jiffies 4294897182 (age 3976.028s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 18 f9 de 76 02 88 ff ff ...........v....
10 00 00 00 0e 00 00 00 0f 28 40 00 00 00 00 00 .........(@.....
backtrace:
[<ffffffff81c8aede>] kmemleak_alloc+0x26/0x43
[<ffffffff811385f0>] __kmalloc+0x121/0x183
[<ffffffff813cf821>] pci_add_cap_save_buffer+0x35/0x7c
[<ffffffff813d12b7>] pci_allocate_cap_save_buffers+0x1d/0x65
[<ffffffff813cdb52>] pci_device_add+0x92/0xf1
[<ffffffff81c8afe6>] pci_scan_single_device+0x9f/0xa1
[<ffffffff813cdbd2>] pci_scan_slot.part.20+0x21/0x106
[<ffffffff813cdce2>] pci_scan_slot+0x2b/0x35
[<ffffffff81c8dae4>] __pci_scan_child_bus+0x51/0x107
[<ffffffff81c8d75b>] pci_scan_bridge+0x376/0x6ae
[<ffffffff81c8db60>] __pci_scan_child_bus+0xcd/0x107
[<ffffffff81c8dbab>] pci_scan_child_bus+0x11/0x2a
[<ffffffff81cca58c>] pci_acpi_scan_root+0x18b/0x21c
[<ffffffff81c916be>] acpi_pci_root_add+0x1e1/0x42a
[<ffffffff81406210>] acpi_device_probe+0x50/0x190
[<ffffffff814a0227>] really_probe+0x99/0x126
Need to free saved_buffer for capabilities.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
3 files changed