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fixes some memory leaks and redundant conditions 

(closes issue #15269)
Reported by: contactmayankjain
Patches:
      patch.txt uploaded by contactmayankjain (license 740)
      memory_leak_stuff.trunk.diff uploaded by dvossel (license 671)
Tested by: contactmayankjain, dvossel




git-svn-id: http://svn.digium.com/svn/asterisk/trunk@201678 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
dvossel 2009-06-18 16:37:42 +00:00
parent 160722f257
commit 7803be8ee4
15 changed files with 43 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
apps/app_rpt.c
View File

@ -3937,7 +3937,7 @@ struct rpt_tele *tlist;
struct rpt *myrpt;
struct rpt_link *l,*l1,linkbase;
struct ast_channel *mychannel;
int id_malloc, vmajor, vminor, m;
int vmajor, vminor, m;
char *p,*ct,*ct_copy,*ident, *nodename,*cp;
time_t t;
#ifdef NEW_ASTERISK
@ -3984,14 +3984,10 @@ struct dahdi_params par;
ast_free(mytele);
pthread_exit(NULL);
}
else{
id_malloc = 1;
}
}
else
{
ident = "";
id_malloc = 0;
}
rpt_mutex_unlock(&myrpt->lock);
@ -4007,8 +4003,7 @@ struct dahdi_params par;
ast_log(LOG_NOTICE,"Telemetry thread aborted at line %d, mode: %d\n",__LINE__, mytele->mode); /*@@@@@@@@@@@*/
rpt_mutex_unlock(&myrpt->lock);
ast_free(nodename);
if(id_malloc)
ast_free(ident);
ast_free(ident);
ast_free(mytele);
pthread_exit(NULL);
}
@ -4054,8 +4049,7 @@ struct dahdi_params par;
rpt_mutex_unlock(&myrpt->lock);
ast_log(LOG_NOTICE,"Telemetry thread aborted at line %d, mode: %d\n",__LINE__, mytele->mode); /*@@@@@@@@@@@*/
ast_free(nodename);
if(id_malloc)
ast_free(ident);
ast_free(ident);
ast_free(mytele);
ast_hangup(mychannel);
pthread_exit(NULL);
@ -4249,8 +4243,7 @@ struct dahdi_params par;
rpt_mutex_unlock(&myrpt->lock);
ast_log(LOG_NOTICE,"Telemetry thread aborted at line %d, mode: %d\n",__LINE__, mytele->mode); /*@@@@@@@@@@@*/
ast_free(nodename);
if(id_malloc)
ast_free(ident);
ast_free(ident);
ast_free(mytele);
ast_hangup(mychannel);
pthread_exit(NULL);
@ -4290,8 +4283,7 @@ struct dahdi_params par;
rpt_mutex_unlock(&myrpt->lock);
ast_log(LOG_NOTICE,"Telemetry thread aborted at line %d, mode: %d\n",__LINE__, mytele->mode); /*@@@@@@@@@@@*/
ast_free(nodename);
if(id_malloc)
ast_free(ident);
ast_free(ident);
ast_free(mytele);
ast_hangup(mychannel);
pthread_exit(NULL);
@ -4813,8 +4805,7 @@ struct dahdi_params par;
rpt_mutex_unlock(&myrpt->lock);
ast_log(LOG_NOTICE,"Telemetry thread aborted at line %d, mode: %d\n",__LINE__, mytele->mode); /*@@@@@@@@@@@*/
ast_free(nodename);
if(id_malloc)
ast_free(ident);
ast_free(ident);
ast_free(mytele);
ast_hangup(mychannel);
pthread_exit(NULL);
@ -5190,8 +5181,7 @@ struct dahdi_params par;
myrpt->active_telem = NULL;
rpt_mutex_unlock(&myrpt->lock);
ast_free(nodename);
if(id_malloc)
ast_free(ident);
ast_free(ident);
ast_free(mytele);
ast_hangup(mychannel);
#ifdef APP_RPT_LOCK_DEBUG

17
channels/h323/ast_h323.cxx
View File

@ -572,8 +572,7 @@ MyH323Connection::MyH323Connection(MyH323EndPoint & ep, unsigned callReference,
{
#ifdef H323_H450
/* Dispatcher will free out all registered handlers */
if (h450dispatcher)
delete h450dispatcher;
delete h450dispatcher;
h450dispatcher = new H450xDispatcher(*this);
h4502handler = new H4502Handler(*this, *h450dispatcher);
h4504handler = new MyH4504Handler(*this, *h450dispatcher);
@ -1988,8 +1987,9 @@ void MyH323Connection::SetCapabilities(int caps, int dtmf_mode, void *_prefs, in
if (cap && cap->IsUsable(*this)) {
lastcap++;
lastcap = localCapabilities.SetCapability(0, lastcap, cap);
} else if (cap)
} else {
delete cap; /* Capability is not usable */
}
dtmfMode = dtmf_mode;
if (h323debug) {
@ -2001,8 +2001,9 @@ void MyH323Connection::SetCapabilities(int caps, int dtmf_mode, void *_prefs, in
cap = new H323_UserInputCapability(H323_UserInputCapability::BasicString);
if (cap && cap->IsUsable(*this)) {
lastcap = localCapabilities.SetCapability(0, lastcap, cap);
} else if (cap)
} else {
delete cap; /* Capability is not usable */
}
sendUserInputMode = SendUserInputAsString;
} else {
if ((dtmfMode & H323_DTMF_RFC2833) != 0) {
@ -2011,8 +2012,7 @@ void MyH323Connection::SetCapabilities(int caps, int dtmf_mode, void *_prefs, in
lastcap = localCapabilities.SetCapability(0, lastcap, cap);
else {
dtmfMode |= H323_DTMF_SIGNAL;
if (cap)
delete cap; /* Capability is not usable */
delete cap; /* Capability is not usable */
}
}
if ((dtmfMode & H323_DTMF_CISCO) != 0) {
@ -2024,8 +2024,7 @@ void MyH323Connection::SetCapabilities(int caps, int dtmf_mode, void *_prefs, in
dtmfMode |= H323_DTMF_SIGNAL;
} else {
dtmfMode |= H323_DTMF_SIGNAL;
if (cap)
delete cap; /* Capability is not usable */
delete cap; /* Capability is not usable */
}
}
if ((dtmfMode & H323_DTMF_SIGNAL) != 0) {
@ -2033,7 +2032,7 @@ void MyH323Connection::SetCapabilities(int caps, int dtmf_mode, void *_prefs, in
cap = new H323_UserInputCapability(H323_UserInputCapability::SignalToneH245);
if (cap && cap->IsUsable(*this))
lastcap = localCapabilities.SetCapability(0, lastcap, cap);
else if (cap)
else
delete cap; /* Capability is not usable */
}
sendUserInputMode = SendUserInputAsTone; /* RFC2833 transmission handled at Asterisk level */

4
channels/misdn/isdn_lib.c
View File

@ -2341,6 +2341,10 @@ static void misdn_save_data(int id, char *p1, int l1, char *p2, int l2)
if (!rx || !tx) {
cb_log(0,0,"Couldn't open files: %s\n",strerror(errno));
if (rx)
fclose(rx);
if (tx)
fclose(tx);
return ;
}

2
channels/xpmr/xpmr.c
View File

@ -157,7 +157,7 @@ i16 string_parse(char *src, char **dest, char ***ptrs)
TRACEJ(2,(" source len = %i\n",slen));
pd=*dest;
if(pd) free(pd);
free(pd);
pd=calloc(slen+1,1);
memcpy(pd,src,slen);
*dest=pd;

2
codecs/gsm/src/gsm_destroy.c
View File

@ -22,5 +22,5 @@
void gsm_destroy P1((S), gsm S)
{
if (S) free((char *)S);
free((char *)S);
}

1
main/ast_expr2.c
View File

@ -2415,6 +2415,7 @@ static void
free_value (struct val *vp)
{
if (vp==NULL) {
free(vp);
return;
}
if (vp->type == AST_EXPR_string || vp->type == AST_EXPR_numeric_string)

5
main/ast_expr2f.c
View File

@ -2379,7 +2379,7 @@ int ast_yyerror(const char *, YYLTYPE *, struct parse_io *); /* likewise */
void ast_yyfree(void *ptr, yyscan_t yyscanner)
{
if (ptr) /* the normal generated ast_yyfree func just frees its first arg;
/* the normal generated ast_yyfree func just frees its first arg;
this get complaints on some systems, as sometimes this
arg is a nil ptr! It's usually not fatal, but is irritating! */
free( (char *) ptr );
@ -2416,8 +2416,7 @@ int ast_expr(char *expr, char *buf, int length, struct ast_channel *chan)
else
buf[0] = 0;
return_value = strlen(buf);
if (io.val->u.s)
free(io.val->u.s);
free(io.val->u.s);
}
free(io.val);
}

3
main/asterisk.c
View File

@ -941,8 +941,7 @@ void ast_unregister_atexit(void (*func)(void))
AST_RWLIST_TRAVERSE_SAFE_END;
AST_RWLIST_UNLOCK(&atexits);
if (ae)
free(ae);
free(ae);
}
/* Sending commands from consoles back to the daemon requires a terminating NULL */

9
pbx/pbx_config.c
View File

@ -451,8 +451,7 @@ static char *complete_dialplan_remove_extension(struct ast_cli_args *a)
ast_unlock_contexts();
error2:
if (exten)
free(exten);
free(exten);
} else if (a->pos == 4) { /* 'dialplan remove extension EXT _X_' (priority) */
char *exten = NULL, *context, *cid, *p;
struct ast_context *c;
@ -509,8 +508,7 @@ static char *complete_dialplan_remove_extension(struct ast_cli_args *a)
}
ast_unlock_contexts();
error3:
if (exten)
free(exten);
free(exten);
}
return ret;
}
@ -1138,8 +1136,7 @@ static char *complete_dialplan_add_ignorepat(struct ast_cli_args *a)
ret = strdup(ast_get_context_name(c));
}
if (ignorepat)
free(ignorepat);
free(ignorepat);
ast_unlock_contexts();
return ret;
}

6
res/ael/ael_lex.c
View File

@ -3221,8 +3221,7 @@ static void pbcpush(char x)
void ael_yyfree(void *ptr, yyscan_t yyscanner)
{
if (ptr)
free( (char*) ptr );
free( (char*) ptr );
}
static int pbcpop(char x)
@ -3361,8 +3360,7 @@ struct pval *ael2_parse(char *filename, int *errors)
*errors = 1;
return 0;
}
if (my_file)
free(my_file);
free(my_file);
my_file = strdup(filename);
stat(filename, &stats);
buffer = (char*)malloc(stats.st_size+2);

18
res/res_config_ldap.c
View File

@ -1271,10 +1271,8 @@ static int update_ldap(const char *basedn, const char *table_name, const char *a
ldap_err2string(result));
ast_mutex_unlock(&ldap_lock);
if (filter)
free(filter);
if (clean_basedn)
free(clean_basedn);
free(filter);
free(clean_basedn);
ldap_msgfree(ldap_result_msg);
ldap_mods_free(ldap_mods, 0);
return -1;
@ -1297,10 +1295,8 @@ static int update_ldap(const char *basedn, const char *table_name, const char *a
}
ast_mutex_unlock(&ldap_lock);
if (filter)
free(filter);
if (clean_basedn)
free(clean_basedn);
free(filter);
free(clean_basedn);
ldap_msgfree(ldap_result_msg);
ldap_mods_free(ldap_mods, 0);
return num_entries;
@ -1458,10 +1454,8 @@ static int update2_ldap(const char *basedn, const char *table_name, va_list ap)
ldap_err2string(result));
ast_mutex_unlock(&ldap_lock);
if (filter)
free(filter);
if (clean_basedn)
free(clean_basedn);
free(filter);
free(clean_basedn);
ldap_msgfree(ldap_result_msg);
ldap_mods_free(ldap_mods, 0);
return -1;

3
utils/ael_main.c
View File

@ -299,8 +299,7 @@ int ast_add_extension2(struct ast_context *con,
}
/* since add_extension2 is responsible for the malloc'd data stuff */
if( data )
free(data);
free(data);
return 0;
}

3
utils/conf2ael.c
View File

@ -471,7 +471,7 @@ int main(int argc, char **argv)
if (mon) {
*mon++ = 0;
/* now all 4 fields are set; what do we do? */
pvalIncludesAddIncludeWithTimeConstraints(incl, all, hr, dow, dom, mon);
pvalIncludesAddIncludeWithTimeConstraints(incl, strdup(all), strdup(hr), strdup(dow), strdup(dom), strdup(mon));
/* the original data is always best to keep (no 2-min rounding) */
} else {
ast_log(LOG_ERROR,"No month spec attached to include!\n");
@ -483,6 +483,7 @@ int main(int argc, char **argv)
ast_log(LOG_ERROR,"No day of week spec attached to include!\n");
}
}
free(all);
}
tmpi = tmpi->next;
}

3
utils/extconf.c
View File

@ -2993,8 +2993,7 @@ static struct ast_var_t *ast_var_assign(const char *name, const char *value)
static void ast_var_delete(struct ast_var_t *var)
{
if (var)
free(var);
free(var);
}

3
utils/stereorize.c
View File

@ -156,4 +156,7 @@ int main( int argcount, char *args[])
}
}
/* That was an endless loop. This point is never reached. */
free(leftsample);
free(rightsample);
free(stereosample);
}