filter: avoid a memory leak per @amdj

diff --git a/extensions/filter.c b/extensions/filter.c
index 85239bdb3847b7d917024a64151af76cfc192b8e..36c3e28831b3132fb1fcbeab86a9e2f1afec946a 100644 (file)
--- a/extensions/filter.c
+++ b/extensions/filter.c
@@ -206,6 +206,7 @@ setfilter(const char *check, const char *data, const char **error)
                r = hs_alloc_scratch(db, &filter_scratch);
                if (r != HS_SUCCESS) {
                        if (error) *error = "couldn't allocate scratch";
+                       hs_free_database(db);
                        return -1;
                }
                if (filter_db) {