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...nvoking guests with multiple devices causes the guest to blow up. Check if we've already registered and initialised the driver. Also cleanup in case of registration errors or hot-unplug so that a new device can be used. Reported-by: Peter Krempa <pkrempa at redhat.com> Reported-by: <yunzheng at redhat.com> Signed-off-by: Amit Shah <amit.shah at redhat.com> --- Also valid for stable? drivers/char/hw_random/virtio-rng.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c i...

...nvoking guests with multiple devices causes the guest to blow up. Check if we've already registered and initialised the driver. Also cleanup in case of registration errors or hot-unplug so that a new device can be used. Reported-by: Peter Krempa <pkrempa at redhat.com> Reported-by: <yunzheng at redhat.com> Signed-off-by: Amit Shah <amit.shah at redhat.com> --- Also valid for stable? drivers/char/hw_random/virtio-rng.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c i...