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core: fix use-after-free caused by incorrect HAL device resync code

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Drew Moseley 2009-03-06 17:19:17 -05:00 • committed by Dan Williams
parent 7b45be4c8f
commit 21defe6d73
1 changed files with 8 additions and 10 deletions
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18
src/nm-manager.c
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@ -1426,12 +1426,11 @@ static void
sync_devices (NMManager *self)
{
NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
GSList *devices;
GSList *devices = NULL;
GSList *iter;
/* Remove devices which are no longer known to HAL */
devices = g_slist_copy (priv->devices);
for (iter = devices; iter; iter = iter->next) {
/* Keep devices still known to HAL; get rid of ones HAL no longer knows about */
for (iter = priv->devices; iter; iter = iter->next) {
NMDevice *device = NM_DEVICE (iter->data);
const char *udi = nm_device_get_udi (device);
@ -1440,15 +1439,14 @@ sync_devices (NMManager *self)
nm_device_set_managed (device, TRUE, NM_DEVICE_STATE_REASON_NOW_MANAGED);
else
nm_device_set_managed (device, FALSE, NM_DEVICE_STATE_REASON_NOW_UNMANAGED);
} else {
priv->devices = g_slist_delete_link (priv->devices, iter);
devices = g_slist_prepend (devices, device);
} else
remove_one_device (self, device);
}
}
g_slist_free (priv->devices);
priv->devices = devices;
g_slist_free (devices);
/* Get any new ones */
/* Ask HAL for new devices */
nm_hal_manager_query_devices (priv->hal_mgr);
}