mpm/hs: improve pointer hygene

diff --git a/src/util-mpm-hs.c b/src/util-mpm-hs.c
index f1594434ff8ee06810fd154017a2fe0b184e377f..5c241991842e645aaa105e50483a6aa21845b3b8 100644 (file)
--- a/src/util-mpm-hs.c
+++ b/src/util-mpm-hs.c
@@ -873,6 +873,7 @@ void SCHSDestroyCtx(MpmCtx *mpm_ctx)
     SCMutexUnlock(&g_db_table_mutex);
 
     SCFree(mpm_ctx->ctx);
+    mpm_ctx->ctx = NULL;
     mpm_ctx->memory_cnt--;
     mpm_ctx->memory_size -= sizeof(SCHSCtx);
 }