I did not know this leak memory or not (gtk_object_set_data)

["chao yeaj" <yeajchao@xxxxxxxxx>]

Hello everyone
    I use function    ``gtk_object_set_data'' to set data to object

my code like this:


/***********************************************************************************/
guint *p = NULL;
p = g_malloc0(sizeof(guint)):

gtk_object_set_data(GTK_OBJECT(button),"key",p);
/*********************************************************************************/




     I did not know whether I should add the following  code or not
/***************************************************************/
g_free(p);
/*******************************************************************/

     I need your hints
 Any comments would be much appricated,thanks in advance
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