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-rw-r--r--src/lua/lua_fann.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/lua/lua_fann.c b/src/lua/lua_fann.c
index ba57b414a..884a40293 100644
--- a/src/lua/lua_fann.c
+++ b/src/lua/lua_fann.c
@@ -213,6 +213,8 @@ rspamd_fann_create_train (guint num_data, guint num_input, guint num_output)
fann_type *inp, *outp;
guint i;
+ g_assert (num_data > 0 && num_input > 0 && num_output > 0);
+
t = calloc (1, sizeof (*t));
g_assert (t != NULL);