From 186391423eb3b7cb0ab50c9e9625c6b6d307d90a Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Tue, 3 Apr 2018 12:10:46 +0200
Subject: [PATCH] mpm/hs: fix minor coverity warning

CID 1428797 (#1 of 1): Unchecked return value (CHECKED_RETURN)
    check_return: Calling HashTableAdd without checking return value
    (as is done elsewhere 5 out of 6 times).
---
 src/util-mpm-hs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/util-mpm-hs.c b/src/util-mpm-hs.c
index a3a1179eb409..eca73f7cba98 100644
--- a/src/util-mpm-hs.c
+++ b/src/util-mpm-hs.c
@@ -716,8 +716,10 @@ int SCHSPreparePatterns(MpmCtx *mpm_ctx)
 
     /* Cache this database globally for later. */
     pd->ref_cnt = 1;
-    HashTableAdd(g_db_table, pd, 1);
+    int r = HashTableAdd(g_db_table, pd, 1);
     SCMutexUnlock(&g_db_table_mutex);
+    if (r < 0)
+        goto error;
 
     SCHSFreeCompileData(cd);
     return 0;