[Minor] Restore mempool_strdup bahaviour when arg is NULL

diff --git a/src/libutil/mem_pool.c b/src/libutil/mem_pool.c
index edfb3c016c2b0f1a0b385d795946c606a03d98f7..bbd302a23531a7c38750078545ecc597f6dd5cd8 100644 (file)
--- a/src/libutil/mem_pool.c
+++ b/src/libutil/mem_pool.c
@@ -605,6 +605,9 @@ rspamd_mempool_alloc_shared_(rspamd_mempool_t *pool, gsize size, gsize alignment
 gchar *
 rspamd_mempool_strdup_(rspamd_mempool_t *pool, const gchar *src, const gchar *loc)
 {
+       if (src == NULL) {
+               return NULL;
+       }
        return rspamd_mempool_strdup_len_(pool, src, strlen(src), loc);
 }