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The file net/tipc/port.c takes a lock using the function tipc_port_lock and then releases the lock sometimes using tipc_port_unlock and sometimes using spin_unlock_bh(p_ptr->publ.lock). tipc_port_unlock simply does the spin_unlock_bh, but it seems cleaner to use it everywhere. The problem was fixed using the following semantic patch. (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ struct port *p_ptr; @@ p_ptr = tipc_port_lock(...) ... ( p_ptr = tipc_port_lock(...); | ?- spin_unlock_bh(p_ptr->publ.lock); + tipc_port_unlock(p_ptr); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Jon Paul Maloy <maloy@donjonn.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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.. | ||
addr.c | ||
addr.h | ||
bcast.c | ||
bcast.h | ||
bearer.c | ||
bearer.h | ||
cluster.c | ||
cluster.h | ||
config.c | ||
config.h | ||
core.c | ||
core.h | ||
dbg.c | ||
dbg.h | ||
discover.c | ||
discover.h | ||
eth_media.c | ||
handler.c | ||
Kconfig | ||
link.c | ||
link.h | ||
Makefile | ||
msg.c | ||
msg.h | ||
name_distr.c | ||
name_distr.h | ||
name_table.c | ||
name_table.h | ||
net.c | ||
net.h | ||
netlink.c | ||
node_subscr.c | ||
node_subscr.h | ||
node.c | ||
node.h | ||
port.c | ||
port.h | ||
ref.c | ||
ref.h | ||
socket.c | ||
subscr.c | ||
subscr.h | ||
user_reg.c | ||
user_reg.h | ||
zone.c | ||
zone.h |