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fp-context, tools: Use auto-ptr to handle GTypeClass ownership

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This also fixes a small leak we might have if reffing a type that was not a
virtual one.
This commit is contained in:
Marco Trevisan (Treviño)
2019-12-13 20:40:41 +01:00
parent 43a8c909bf
commit eeddd8c7bc
3 changed files with 11 additions and 24 deletions
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15
libfprint/fp-context.c
View File

@@ -131,14 +131,12 @@ usb_device_added_cb (FpContext *self, GUsbDevice *device, GUsbContext *usb_ctx)
for (i = 0; i < priv->drivers->len; i++) for (i = 0; i < priv->drivers->len; i++)
{ {
GType driver = g_array_index (priv->drivers, GType, i); GType driver = g_array_index (priv->drivers, GType, i);
FpDeviceClass *cls = FP_DEVICE_CLASS (g_type_class_ref (driver)); g_autoptr(GTypeClass) type_class = g_type_class_ref (driver);
FpDeviceClass *cls = FP_DEVICE_CLASS (type_class);
const FpIdEntry *entry; const FpIdEntry *entry;
if (cls->type != FP_DEVICE_TYPE_USB) if (cls->type != FP_DEVICE_TYPE_USB)
{ continue;
g_type_class_unref (cls);
continue;
}
for (entry = cls->id_table; entry->pid; entry++) for (entry = cls->id_table; entry->pid; entry++)
{ {
@@ -158,8 +156,6 @@ usb_device_added_cb (FpContext *self, GUsbDevice *device, GUsbContext *usb_ctx)
found_driver = driver; found_driver = driver;
found_entry = entry; found_entry = entry;
} }
g_type_class_unref (cls);
} }
if (found_driver == G_TYPE_NONE) if (found_driver == G_TYPE_NONE)
@@ -355,7 +351,8 @@ fp_context_enumerate (FpContext *context)
for (i = 0; i < priv->drivers->len; i++) for (i = 0; i < priv->drivers->len; i++)
{ {
GType driver = g_array_index (priv->drivers, GType, i); GType driver = g_array_index (priv->drivers, GType, i);
FpDeviceClass *cls = FP_DEVICE_CLASS (g_type_class_ref (driver)); g_autoptr(GTypeClass) type_class = g_type_class_ref (driver);
FpDeviceClass *cls = FP_DEVICE_CLASS (type_class);
const FpIdEntry *entry; const FpIdEntry *entry;
if (cls->type != FP_DEVICE_TYPE_VIRTUAL) if (cls->type != FP_DEVICE_TYPE_VIRTUAL)
@@ -381,8 +378,6 @@ fp_context_enumerate (FpContext *context)
NULL); NULL);
g_debug ("created"); g_debug ("created");
} }
g_type_class_unref (cls);
} }
while (priv->pending_devices) while (priv->pending_devices)

10
libfprint/fprint-list-supported-devices.c
View File

@@ -38,14 +38,12 @@ insert_drivers (GList *list)
for (i = 0; i < drivers->len; i++) for (i = 0; i < drivers->len; i++)
{ {
GType driver = g_array_index (drivers, GType, i); GType driver = g_array_index (drivers, GType, i);
FpDeviceClass *cls = FP_DEVICE_CLASS (g_type_class_ref (driver)); g_autoptr(GTypeClass) type_class = g_type_class_ref (driver);
FpDeviceClass *cls = FP_DEVICE_CLASS (type_class);
const FpIdEntry *entry; const FpIdEntry *entry;
if (cls->type != FP_DEVICE_TYPE_USB) if (cls->type != FP_DEVICE_TYPE_USB)
{ continue;
g_type_class_unref (cls);
continue;
}
for (entry = cls->id_table; entry->vid; entry++) for (entry = cls->id_table; entry->vid; entry++)
{ {
@@ -63,8 +61,6 @@ insert_drivers (GList *list)
list = g_list_prepend (list, g_strdup_printf ("%s | %s\n", key, cls->full_name)); list = g_list_prepend (list, g_strdup_printf ("%s | %s\n", key, cls->full_name));
} }
g_type_class_unref (cls);
} }
return list; return list;

10
libfprint/fprint-list-udev-rules.c
View File

@@ -104,17 +104,13 @@ main (int argc, char **argv)
for (i = 0; i < drivers->len; i++) for (i = 0; i < drivers->len; i++)
{ {
GType driver = g_array_index (drivers, GType, i); GType driver = g_array_index (drivers, GType, i);
FpDeviceClass *cls = FP_DEVICE_CLASS (g_type_class_ref (driver)); g_autoptr(GTypeClass) type_class = g_type_class_ref (driver);
FpDeviceClass *cls = FP_DEVICE_CLASS (type_class);
if (cls->type != FP_DEVICE_TYPE_USB) if (cls->type != FP_DEVICE_TYPE_USB)
{ continue;
g_type_class_unref (cls);
continue;
}
print_driver (cls); print_driver (cls);
g_type_class_unref (cls);
} }
print_driver (&whitelist); print_driver (&whitelist);