diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c

index 02cef6e451..7cced0f226 100644

--- a/lib/netdev-dpdk.c

+++ b/lib/netdev-dpdk.c

@@ -4637,10 +4637,11 @@ netdev_dpdk_get_mempool_info(struct unixctl_conn *conn,

                              int argc, const char *argv[],

                              void *aux OVS_UNUSED)

 {

-    size_t size;

-    FILE *stream;

-    char *response = NULL;

     struct netdev *netdev = NULL;

+    const char *error = NULL;

+    char *response = NULL;

+    FILE *stream;

+    size_t size;

     if (argc == 2) {

         netdev = netdev_from_name(argv[1]);

@@ -4664,10 +4665,14 @@ netdev_dpdk_get_mempool_info(struct unixctl_conn *conn,

         ovs_mutex_lock(&dev->mutex);

         ovs_mutex_lock(&dpdk_mp_mutex);

-        rte_mempool_dump(stream, dev->dpdk_mp->mp);

-        fprintf(stream, "    count: avail (%u), in use (%u)\n",

-                rte_mempool_avail_count(dev->dpdk_mp->mp),

-                rte_mempool_in_use_count(dev->dpdk_mp->mp));

+        if (dev->dpdk_mp) {

+            rte_mempool_dump(stream, dev->dpdk_mp->mp);

+            fprintf(stream, "    count: avail (%u), in use (%u)\n",

+                    rte_mempool_avail_count(dev->dpdk_mp->mp),

+                    rte_mempool_in_use_count(dev->dpdk_mp->mp));

+        } else {

+            error = "Not allocated";

+        }

         ovs_mutex_unlock(&dpdk_mp_mutex);

         ovs_mutex_unlock(&dev->mutex);

@@ -4679,7 +4684,11 @@ netdev_dpdk_get_mempool_info(struct unixctl_conn *conn,

     fclose(stream);

-    unixctl_command_reply(conn, response);

+    if (error) {

+        unixctl_command_reply_error(conn, error);

+    } else {

+        unixctl_command_reply(conn, response);

+    }

 out:

     free(response);

     netdev_close(netdev);

diff --git a/ovsdb/transaction.c b/ovsdb/transaction.c

index 65eca64783..98fff1a744 100644

--- a/ovsdb/transaction.c

+++ b/ovsdb/transaction.c

@@ -1090,7 +1090,6 @@ ovsdb_txn_precommit(struct ovsdb_txn *txn)

      * was really a no-op. */

     error = for_each_txn_row(txn, determine_changes);

     if (error) {

-        ovsdb_txn_abort(txn);

         return OVSDB_WRAP_BUG("can't happen", error);

     }

     if (ovs_list_is_empty(&txn->txn_tables)) {

diff --git a/tests/system-dpdk.at b/tests/system-dpdk.at

index 1c97bf7772..e79c755657 100644

--- a/tests/system-dpdk.at

+++ b/tests/system-dpdk.at

@@ -88,6 +88,12 @@ ADD_VHOST_USER_CLIENT_PORT([br10], [dpdkvhostuserclient0], [$OVS_RUNDIR/dpdkvhos

 AT_CHECK([ovs-vsctl show], [], [stdout])

 sleep 2

+dnl Check that no mempool was allocated.

+AT_CHECK([ovs-appctl netdev-dpdk/get-mempool-info dpdkvhostuserclient0], [2], [], [dnl

+Not allocated

+ovs-appctl: ovs-vswitchd: server returned an error

+])

+

 dnl Clean up

 AT_CHECK([ovs-vsctl del-port br10 dpdkvhostuserclient0], [], [stdout], [stderr])

 OVS_DPDK_STOP_VSWITCHD(["dnl