Author: markj
Date: Tue Jul 4 00:02:06 2017
New Revision: 320627
URL: https://svnweb.freebsd.org/changeset/base/320627
Log:
Hold the PCI device list lock when removing an element.
MFC after: 1 week
Modified:
head/sys/compat/linuxkpi/common/src/linux_pci.c
Modified: head/sys/compat/linuxkpi/common/src/linux_pci.c
==============================================================================
--- head/sys/compat/linuxkpi/common/src/linux_pci.c Tue Jul 4 00:00:42
2017 (r320626)
+++ head/sys/compat/linuxkpi/common/src/linux_pci.c Tue Jul 4 00:02:06
2017 (r320627)
@@ -254,7 +254,9 @@ pci_unregister_driver(struct pci_driver *pdrv)
bus = devclass_find("pci");
+ spin_lock(&pci_lock);
list_del(&pdrv->links);
+ spin_unlock(&pci_lock);
mtx_lock(&Giant);
if (bus != NULL)
devclass_delete_driver(bus, &pdrv->driver);
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