PCI: Hold pci_slot_mutex while searching bus->slots list

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Previously, pci_setup_device() and similar functions searched the
pci_bus->slots list without any locking.  It was possible for another
thread to update the list while we searched it.

Add pci_dev_assign_slot() to search the list while holding pci_slot_mutex.

[bhelgaas: changelog, fold in CONFIG_SYSFS fix]
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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Yijing Wang 2015-07-17 17:16:32 +08:00 • committed by Bjorn Helgaas

parent 6754676297

commit 017ffe64e8

5 changed files with 19 additions and 15 deletions

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include/linux/pci.h

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