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authorDavid Windsor <dwindsor@gmail.com>2017-01-23 22:24:29 -0500
committerPablo Neira Ayuso <pablo@netfilter.org>2017-02-02 14:31:57 +0100
commit90c1aff702d449a1a248c4829d51c0bc677f968e (patch)
tree95949a5240fb0a29d5dd16ec9df93730d8452b31 /include/net/irda/irlan_client.h
parenta9e419dc7be6997409dca6d1b9daf3cc7046902f (diff)
ipvs: free ip_vs_dest structs when refcnt=0
Currently, the ip_vs_dest cache frees ip_vs_dest objects when their reference count becomes < 0. Aside from not being semantically sound, this is problematic for the new type refcount_t, which will be introduced shortly in a separate patch. refcount_t is the new kernel type for holding reference counts, and provides overflow protection and a constrained interface relative to atomic_t (the type currently being used for kernel reference counts). Per Julian Anastasov: "The problem is that dest_trash currently holds deleted dests (unlinked from RCU lists) with refcnt=0." Changing dest_trash to hold dest with refcnt=1 will allow us to free ip_vs_dest structs when their refcnt=0, in ip_vs_dest_put_and_free(). Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net/irda/irlan_client.h')
0 files changed, 0 insertions, 0 deletions