tree e33e93567ccb3da6236f281a892915fcf622b496
parent c7735769d5dd79afb07254532fabd9ccbd85b1fa
author Andre Przywara <andre.przywara@arm.com> 1470736469 +0100
committer Christoffer Dall <christoffer.dall@linaro.org> 1471294822 +0200

KVM: arm64: check for ITS device on MSI injection

When userspace provides the doorbell address for an MSI to be
injected into the guest, we find a KVM device which feels responsible.
Lets check that this device is really an emulated ITS before we make
real use of the container_of-ed pointer.

  [ Moved NULL-pointer check to caller of static function
    - Christoffer ]

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>