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decklink: Fix crash when probing without driver

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If there is no decklink hardware/driver, the devices list is empty (NULL), so
this needs to be checked before iterating over the list.
This commit is contained in:
Philippe Normand 2020-01-05 16:20:18 +00:00
parent 982072ce1d
commit 9f1fbd3649
1 changed files with 4 additions and 0 deletions
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4
sys/decklink/gstdecklink.cpp
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@ -1586,6 +1586,10 @@ gst_decklink_get_devices (void)
g_once (&devices_once, init_devices, NULL); g_once (&devices_once, init_devices, NULL);
if (!devices) {
return NULL;
}
for (i = 0; i < devices->len; i++) { for (i = 0; i < devices->len; i++) {
Device *device = (Device *) g_ptr_array_index (devices, i); Device *device = (Device *) g_ptr_array_index (devices, i);