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(parent: 4a65852) | patch
xen-netback: free queues after freeing the net device
authorDavid Vrabel <david.vrabel@citrix.com>
Fri, 15 Jan 2016 14:55:36 +0000 (14:55 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Jan 2016 20:13:19 +0000 (15:13 -0500)
commit9c6f3ffe8200327d1cf2aad2ff2b414adaacbe96
tree8240a079a4eb513a9d71565a3051526d71329ddatree | snapshot
parent4a658527271bce43afb1cf4feec89afe6716ca59commit | diff
xen-netback: free queues after freeing the net device

If a queue still has a NAPI instance added to the net device, freeing
the queues early results in a use-after-free.

The shouldn't ever happen because we disconnect and tear down all queues
before freeing the net device, but doing this makes it obviously safe.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/xen-netback/interface.c diff | blob | history
https://github.com/torvalds/linux.git