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check compositor screen iface existence before deref in dpms 

fixes crash in compositors lacking screen ifaces
This commit is contained in:
Mike Blumenkrantz 2015-08-19 15:32:24 -04:00
parent 77e76582b1
commit 38d5746977
1 changed files with 4 additions and 4 deletions
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8
src/bin/e_dpms.c
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@ -136,7 +136,7 @@ _e_dpms_handler_desk_show_cb(void *data EINA_UNUSED, int type EINA_UNUSED, void
static Eina_Bool
_e_dpms_standby(void *d EINA_UNUSED)
{
if (e_comp->screen->dpms)
if (e_comp->screen && e_comp->screen->dpms)
e_comp->screen->dpms(1);
standby_timer = NULL;
return EINA_FALSE;
@ -145,7 +145,7 @@ _e_dpms_standby(void *d EINA_UNUSED)
static Eina_Bool
_e_dpms_suspend(void *d EINA_UNUSED)
{
if (e_comp->screen->dpms)
if (e_comp->screen && e_comp->screen->dpms)
e_comp->screen->dpms(2);
suspend_timer = NULL;
return EINA_FALSE;
@ -154,7 +154,7 @@ _e_dpms_suspend(void *d EINA_UNUSED)
static Eina_Bool
_e_dpms_off(void *d EINA_UNUSED)
{
if (e_comp->screen->dpms)
if (e_comp->screen && e_comp->screen->dpms)
e_comp->screen->dpms(3);
off_timer = NULL;
return EINA_FALSE;
@ -175,7 +175,7 @@ _e_dpms_screensaver_off()
E_FREE_FUNC(standby_timer, ecore_timer_del);
E_FREE_FUNC(suspend_timer, ecore_timer_del);
E_FREE_FUNC(off_timer, ecore_timer_del);
if (e_comp->screen->dpms)
if (e_comp->screen && e_comp->screen->dpms)
e_comp->screen->dpms(0);
return ECORE_CALLBACK_RENEW;
}