vxlan: move IGMP join/leave to work queue

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Do join/leave from work queue to avoid lock inversion problems
between normal socket and RTNL. The code comes out cleaner
as well.

Uses Cong Wang's suggestion to turn refcnt into a real atomic
since now need to handle case where last use of socket is IGMP
worker.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

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This commit is contained in:

Stephen Hemminger 2013-06-17 14:16:10 -07:00

parent 758c57d16a

commit 7c47cedf43

1 changed files with 40 additions and 63 deletions

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107

drivers/net/vxlan.c

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