iterator: prevent git_iterator_free() from segfaulting when being passed a NULL iterator

diff --git a/src/iterator.h b/src/iterator.h
index 12eb96bb02e40b10f5f5a1786dca9c9c01f3d384..974c2daeb903b69b708c74bffb9cfab850bafd74 100644 (file)
--- a/src/iterator.h
+++ b/src/iterator.h
@@ -71,6 +71,9 @@ GIT_INLINE(int) git_iterator_reset(git_iterator *iter)
 
 GIT_INLINE(void) git_iterator_free(git_iterator *iter)
 {
+       if (iter == NULL)
+               return;
+
        iter->free(iter);
        git__free(iter);
 }