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authorSridhar Samudrala <sri@us.ibm.com>2006-12-13 16:26:26 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-13 16:48:27 -0800
commit29c7cf96186ac14ce7380633f690fc39732ff03a (patch)
treeccc95adc0e1185469e77a1adcae1d300d0b534d1 /include/net/sctp/structs.h
parent6931ba7cef3991fbb970997d33e24139ccdc3c2c (diff)
[SCTP]: Handle address add/delete events in a more efficient way.
Currently in SCTP, we maintain a local address list by rebuilding the whole list from the device list whenever we get a address add/delete event. This patch fixes it by only adding/deleting the address for which we receive the event. Also removed the sctp_local_addr_lock() which is no longer needed as we now use list_for_each_safe() to traverse this list. This fixes the bugs in sctp_copy_laddrs_xxx() routines where we do copy_to_user() while holding this lock. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sctp/structs.h')
-rw-r--r--include/net/sctp/structs.h6
1 files changed, 2 insertions, 4 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index c089f93ba59..b00d85e14fe 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -201,13 +201,12 @@ extern struct sctp_globals {
struct sctp_bind_hashbucket *port_hashtable;
/* This is the global local address list.
- * We actively maintain this complete list of interfaces on
- * the system by catching routing events.
+ * We actively maintain this complete list of addresses on
+ * the system by catching address add/delete events.
*
* It is a list of sctp_sockaddr_entry.
*/
struct list_head local_addr_list;
- spinlock_t local_addr_lock;
/* Flag to indicate if addip is enabled. */
int addip_enable;
@@ -243,7 +242,6 @@ extern struct sctp_globals {
#define sctp_port_alloc_lock (sctp_globals.port_alloc_lock)
#define sctp_port_hashtable (sctp_globals.port_hashtable)
#define sctp_local_addr_list (sctp_globals.local_addr_list)
-#define sctp_local_addr_lock (sctp_globals.local_addr_lock)
#define sctp_addip_enable (sctp_globals.addip_enable)
#define sctp_prsctp_enable (sctp_globals.prsctp_enable)