allow wpactrl_end() when the wpactrl_t is ZERO as well

1 files changed, 8 insertions, 5 deletions

diff --git a/src/libwpactrl/wpactrl_end.c b/src/libwpactrl/wpactrl_end.c
index 41ea81a..0dbe98b 100644
--- a/src/libwpactrl/wpactrl_end.c
+++ b/src/libwpactrl/wpactrl_end.c
@@ -8,14 +8,17 @@
 
 void wpactrl_end (wpactrl_t *a)
 {
-  a->clientpath.s[a->clientpath.len - 2] = 's' ;
-  unlink_void(a->clientpath.s) ;
-  a->clientpath.s[a->clientpath.len - 2] = 'a' ;
-  unlink_void(a->clientpath.s) ;
+  if (a->clientpath.s)
+  {
+    a->clientpath.s[a->clientpath.len - 2] = 's' ;
+    unlink_void(a->clientpath.s) ;
+    a->clientpath.s[a->clientpath.len - 2] = 'a' ;
+    unlink_void(a->clientpath.s) ;
+    stralloc_free(&a->clientpath) ;
+  }
   fd_close(a->fda) ;
   fd_close(a->fds) ;
   stralloc_free(&a->filters) ;
   stralloc_free(&a->data) ;
-  stralloc_free(&a->clientpath) ;
   *a = wpactrl_zero ;
 }