From bb0dbfa520406270cc8c9ff2f4e72b35c216a296 Mon Sep 17 00:00:00 2001 From: Tilghman Lesher Date: Tue, 17 Jun 2008 18:57:45 +0000 Subject: Merged revisions 123391 via svnmerge from https://origsvn.digium.com/svn/asterisk/branches/1.4 ........ r123391 | tilghman | 2008-06-17 13:56:53 -0500 (Tue, 17 Jun 2008) | 3 lines Fix 3 more places where failure to lock the structure could cause the wrong lock to be unlocked. (Closes issue #12795) ........ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@123392 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- channels/chan_iax2.c | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-) (limited to 'channels') diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c index 9741fbb64..fd33bd5c9 100644 --- a/channels/chan_iax2.c +++ b/channels/chan_iax2.c @@ -9670,9 +9670,10 @@ static int iax2_do_register(struct iax2_registry *reg) * call has the pointer to IP and must be updated to the new one */ if (reg->dnsmgr && ast_dnsmgr_changed(reg->dnsmgr) && (reg->callno > 0)) { - ast_mutex_lock(&iaxsl[reg->callno]); - iax2_destroy(reg->callno); - ast_mutex_unlock(&iaxsl[reg->callno]); + int callno = reg->callno; + ast_mutex_lock(&iaxsl[callno]); + iax2_destroy(callno); + ast_mutex_unlock(&iaxsl[callno]); reg->callno = 0; } if (!reg->addr.sin_addr.s_addr) { @@ -10274,13 +10275,14 @@ static int peer_set_srcaddr(struct iax2_peer *peer, const char *srcaddr) static void peer_destructor(void *obj) { struct iax2_peer *peer = obj; + int callno = peer->callno; ast_free_ha(peer->ha); - if (peer->callno > 0) { - ast_mutex_lock(&iaxsl[peer->callno]); - iax2_destroy(peer->callno); - ast_mutex_unlock(&iaxsl[peer->callno]); + if (callno > 0) { + ast_mutex_lock(&iaxsl[callno]); + iax2_destroy(callno); + ast_mutex_unlock(&iaxsl[callno]); } register_peer_exten(peer, 0); @@ -10789,12 +10791,13 @@ static void delete_users(void) while ((reg = AST_LIST_REMOVE_HEAD(®istrations, entry))) { AST_SCHED_DEL(sched, reg->expire); if (reg->callno) { - ast_mutex_lock(&iaxsl[reg->callno]); - if (iaxs[reg->callno]) { - iaxs[reg->callno]->reg = NULL; - iax2_destroy(reg->callno); + int callno = reg->callno; + ast_mutex_lock(&iaxsl[callno]); + if (iaxs[callno]) { + iaxs[callno]->reg = NULL; + iax2_destroy(callno); } - ast_mutex_unlock(&iaxsl[reg->callno]); + ast_mutex_unlock(&iaxsl[callno]); } if (reg->dnsmgr) ast_dnsmgr_release(reg->dnsmgr); -- cgit v1.2.3