free_nfs_cb_data: add assert(data->free_continue_data)

Non-debug builds will trip over the nullptr too - do we rather
want to leak the memory there?

Signed-off-by: Arne Redlich <arne.redlich@googlemail.com>

diff --git a/lib/libnfs.c b/lib/libnfs.c
index b2a53508b82ec85d1d6619b1bbe56becd15ca68b..2599accf6e14877b38b4a5dc9cf258ef9fbaff43 100644 (file)
--- a/lib/libnfs.c
+++ b/lib/libnfs.c
@@ -532,6 +532,7 @@ void free_nfs_cb_data(struct nfs_cb_data *data)
        }
 
        if (data->continue_data != NULL) {
+               assert(data->free_continue_data);
                data->free_continue_data(data->continue_data);
                data->continue_data = NULL;
        }