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gcontenttype: Fix crash in _get_generic_icon_name()

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Guard against NULL type being passed to
g_content_type_get_generic_icon_name() just as we protect
g_content_type_get_description(), otherwise it will cause a crash.

See https://gitlab.gnome.org/GNOME/gtk/issues/2482
This commit is contained in:
Bastien Nocera 2020-02-28 15:09:50 +01:00
parent 369626e310
commit a7181ad397
1 changed files with 2 additions and 0 deletions
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2
gio/gcontenttype.c
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@ -614,6 +614,8 @@ g_content_type_get_generic_icon_name (const gchar *type)
const gchar *xdg_icon_name;
gchar *icon_name;
g_return_val_if_fail (type != NULL, NULL);
G_LOCK (gio_xdgmime);
xdg_icon_name = xdg_mime_get_generic_icon (type);
G_UNLOCK (gio_xdgmime);