Commit 9c24e193 authored by Rémi Duraffort's avatar Rémi Duraffort

variables: fix a potential crash/double free.

Indeed, giving a NULL to var_Change(VLC_VAR_SETSTRING) will lead to a crash the
next time this variable is used.
parent cd824026
......@@ -623,6 +623,8 @@ int __var_Change( vlc_object_t *p_this, const char *psz_name,
free( p_var->psz_text );
if( p_val && p_val->psz_string )
p_var->psz_text = strdup( p_val->psz_string );
p_val->psz_text = NULL;
p_val->psz_string = NULL;
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