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chan_sip.c: Simplify sip_pvt destructor call levels.

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Remove destructor calling destroy_it calling really_destroy_it
for no benefit.  Just make the destructor the really_destroy_it
function.

Change-Id: Idea0d47b27dd74f2488db75bcc7f353d8fdc614a
This commit is contained in:
Richard Mudgett
2016-03-07 18:56:05 -06:00
parent 336cae73cc
commit 56bcb97a3c
2 changed files with 8 additions and 38 deletions
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33
channels/chan_sip.c
View File

@@ -6371,11 +6371,14 @@ static void offered_media_list_destroy(struct sip_pvt *p)
}
}
/*! \brief Execute destruction of SIP dialog structure, release memory */
void __sip_destroy(struct sip_pvt *p, int lockowner, int lockdialoglist)
/*! \brief ao2 destructor for SIP dialog structure */
static void sip_pvt_dtor(void *vdoomed)
{
struct sip_pvt *p = vdoomed;
struct sip_request *req;
ast_debug(3, "Destroying SIP dialog %s\n", p->callid);
/* Destroy Session-Timers if allocated */
if (p->stimer) {
p->stimer->quit_flag = 1;
@@ -6394,14 +6397,12 @@ void __sip_destroy(struct sip_pvt *p, int lockowner, int lockdialoglist)
/* Unlink us from the owner if we have one */
if (p->owner) {
if (lockowner)
ast_channel_lock(p->owner);
ast_channel_lock(p->owner);
ast_debug(1, "Detaching from %s\n", ast_channel_name(p->owner));
ast_channel_tech_pvt_set(p->owner, NULL);
/* Make sure that the channel knows its backend is going away */
ast_channel_softhangup_internal_flag_add(p->owner, AST_SOFTHANGUP_DEV);
if (lockowner)
ast_channel_unlock(p->owner);
ast_channel_unlock(p->owner);
/* Give the channel a chance to react before deallocation */
usleep(1);
}
@@ -6711,24 +6712,6 @@ static int update_call_counter(struct sip_pvt *fup, int event)
return 0;
}
static void sip_destroy_fn(void *p)
{
sip_destroy(p);
}
/*! \brief Destroy SIP call structure.
* Make it return NULL so the caller can do things like
* foo = sip_destroy(foo);
* and reduce the chance of bugs due to dangling pointers.
*/
struct sip_pvt *sip_destroy(struct sip_pvt *p)
{
ast_debug(3, "Destroying SIP dialog %s\n", p->callid);
__sip_destroy(p, TRUE, TRUE);
return NULL;
}
/*! \brief Convert SIP hangup causes to Asterisk hangup causes */
int hangup_sip2cause(int cause)
{
@@ -8634,7 +8617,7 @@ struct sip_pvt *__sip_alloc(ast_string_field callid, struct ast_sockaddr *addr,
{
struct sip_pvt *p;
p = __ao2_alloc_debug(sizeof(*p), sip_destroy_fn,
p = __ao2_alloc_debug(sizeof(*p), sip_pvt_dtor,
AO2_ALLOC_OPT_LOCK_MUTEX, "allocate a dialog(pvt) struct",
file, line, func, 1);
if (!p) {

13
channels/sip/include/dialog.h
View File

@@ -43,19 +43,6 @@ void sip_scheddestroy_final(struct sip_pvt *p, int ms);
void sip_scheddestroy(struct sip_pvt *p, int ms);
int sip_cancel_destroy(struct sip_pvt *p);
/*! \brief Destroy SIP call structure.
* Make it return NULL so the caller can do things like
* foo = sip_destroy(foo);
* and reduce the chance of bugs due to dangling pointers.
*/
struct sip_pvt *sip_destroy(struct sip_pvt *p);
/*! \brief Destroy SIP call structure.
* Make it return NULL so the caller can do things like
* foo = sip_destroy(foo);
* and reduce the chance of bugs due to dangling pointers.
*/
void __sip_destroy(struct sip_pvt *p, int lockowner, int lockdialoglist);
/*!
* \brief Unlink a dialog from the dialogs container, as well as any other places
* that it may be currently stored.