This fixes a deadlock with vhost reported in the field, as well as a theoretical race issue found by code review.
Patches 1+2 are needed for stable. Thanks to Qin Chuanyu for reporting the issue! Michael S. Tsirkin (3): kref: add kref_sub_return vhost: fix ref cnt checking deadlock vhost: fix a theoretical race in device cleanup include/linux/kref.h | 33 ++++++++++++++++++++++++++++++++- drivers/vhost/net.c | 15 ++++++++++----- 2 files changed, 42 insertions(+), 6 deletions(-) -- MST -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
