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Fixed bug 4837 - Use after free in SDL_SensorUpdate (Thanks!)

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This commit is contained in:
Sylvain Becker 2019-10-23 08:46:59 +02:00
parent 5025109f29
commit 3ac67cf458
1 changed files with 3 additions and 2 deletions
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5
src/sensor/SDL_sensor.c
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@ -503,7 +503,7 @@ void
SDL_SensorUpdate(void)
{
int i;
SDL_Sensor *sensor;
SDL_Sensor *sensor, *next;
if (!SDL_WasInit(SDL_INIT_SENSOR)) {
return;
@ -531,7 +531,8 @@ SDL_SensorUpdate(void)
SDL_updating_sensor = SDL_FALSE;
/* If any sensors were closed while updating, free them here */
for (sensor = SDL_sensors; sensor; sensor = sensor->next) {
for (sensor = SDL_sensors; sensor; sensor = next) {
next = sensor->next;
if (sensor->ref_count <= 0) {
SDL_SensorClose(sensor);
}