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authorJon Maloy <jon.maloy@ericsson.com>2018-07-18 19:50:06 +0200
committerDavid S. Miller <davem@davemloft.net>2018-07-20 12:36:13 -0700
commit40999f11ce677ce3c5d0e8f5f76c40192a26b479 (patch)
tree5b5dac9106b60eb5d67e5f204a55ecaeb6db9b43 /net/packet
parentf91a0effcaa6a2eec647cdc53d0d16bff5144c10 (diff)
downloadlinux-stericsson-40999f11ce677ce3c5d0e8f5f76c40192a26b479.tar.gz
tipc: make link capability update thread safe
The commit referred to below introduced an update of the link capabilities field that is not safe. Given the recently added feature to remove idle node and link items after 5 minutes, there is a small risk that the update will happen at the very moment the targeted link is being removed. To avoid this we have to perform the update inside the node item's write lock protection. Fixes: 9012de508956 ("tipc: add sequence number check for link STATE messages") Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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