commit | 0719e72ccb801829a3d735d187ca8417f0930459 | [log] [tgz] |
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author | stephen hemminger <stephen@networkplumber.org> | Wed Jan 11 09:16:32 2017 -0800 |
committer | David S. Miller <davem@davemloft.net> | Wed Jan 11 16:13:53 2017 -0500 |
tree | a4f718fefcb15433fa59f6d4add44ae220edb806 | |
parent | 4ecb1d83f6abe8d49163427f4d431ebe98f8bd5f [diff] |
netvsc: add rcu_read locking to netvsc callback The receive callback (in tasklet context) is using RCU to get reference to associated VF network device but this is not safe. RCU read lock needs to be held. Found by running with full lockdep debugging enabled. Fixes: f207c10d9823 ("hv_netvsc: use RCU to protect vf_netdev") Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>