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(parent: b3a9e3b) | patch
vfio/pci: Clear error and request eventfd ctx after releasing
authorAlex Williamson <alex.williamson@redhat.com>
Tue, 16 Jun 2020 21:26:36 +0000 (15:26 -0600)
committerAlex Williamson <alex.williamson@redhat.com>
Wed, 17 Jun 2020 21:18:42 +0000 (15:18 -0600)
commit5c5866c593bbd444d0339ede6a8fb5f14ff66d72
tree50fc4e075bbd78d84d2c1d65785f96aef6c77dbbtree | snapshot
parentb3a9e3b9622ae10064826dccb4f7a52bd88c7407commit | diff
vfio/pci: Clear error and request eventfd ctx after releasing

The next use of the device will generate an underflow from the
stale reference.

Cc: Qian Cai <cai@lca.pw>
Fixes: 1518ac272e78 ("vfio/pci: fix memory leaks of eventfd ctx")
Reported-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Tested-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/vfio/pci/vfio_pci.c diff | blob | history
Domain: System / Kernel;