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authorCong Wang <xiyou.wangcong@gmail.com>2018-12-10 11:49:55 -0800
committerDavid S. Miller <davem@davemloft.net>2018-12-14 13:16:33 -0800
commit15ef70e286176165d28b0b8a969b422561a68dfc (patch)
treeef79c96eb556365029d89323ab6b74b92495f12c /net/tipc/udp_media.c
parentd3e8869ec82645599e6497d6974593bf00f7b19b (diff)
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tipc: use lock_sock() in tipc_sk_reinit()
lock_sock() must be used in process context to be race-free with other lock_sock() callers, for example, tipc_release(). Otherwise using the spinlock directly can't serialize a parallel tipc_release(). As it is blocking, we have to hold the sock refcnt before rhashtable_walk_stop() and release it after rhashtable_walk_start(). Fixes: 07f6c4bc048a ("tipc: convert tipc reference table to use generic rhashtable") Reported-by: Dmitry Vyukov <dvyukov@google.com> Cc: Ying Xue <ying.xue@windriver.com> Cc: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/udp_media.c')
0 files changed, 0 insertions, 0 deletions