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-rw-r--r--src/plugins/memif/memif.c44
1 files changed, 29 insertions, 15 deletions
diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c
index 41c882fd04b..44c5012e80e 100644
--- a/src/plugins/memif/memif.c
+++ b/src/plugins/memif/memif.c
@@ -85,8 +85,8 @@ memif_connect (vlib_main_t * vm, memif_if_t * mif)
VNET_HW_INTERFACE_FLAG_LINK_UP);
}
-void
-memif_disconnect (vlib_main_t * vm, memif_if_t * mif)
+static void
+memif_disconnect_do (vlib_main_t * vm, memif_if_t * mif)
{
vnet_main_t *vnm = vnet_get_main ();
@@ -94,13 +94,6 @@ memif_disconnect (vlib_main_t * vm, memif_if_t * mif)
if (mif->hw_if_index != ~0)
vnet_hw_interface_set_flags (vnm, mif->hw_if_index, 0);
- if (mif->interrupt_line.index != ~0)
- {
- unix_file_del (&unix_main,
- unix_main.file_pool + mif->interrupt_line.index);
- mif->interrupt_line.index = ~0;
- mif->interrupt_line.fd = -1; /* closed in unix_file_del */
- }
if (mif->connection.index != ~0)
{
unix_file_del (&unix_main, unix_main.file_pool + mif->connection.index);
@@ -112,6 +105,20 @@ memif_disconnect (vlib_main_t * vm, memif_if_t * mif)
vec_free (mif->regions);
}
+void
+memif_disconnect (vlib_main_t * vm, memif_if_t * mif)
+{
+ if (mif->interrupt_line.index != ~0)
+ {
+ unix_file_del (&unix_main,
+ unix_main.file_pool + mif->interrupt_line.index);
+ mif->interrupt_line.index = ~0;
+ mif->interrupt_line.fd = -1; /* closed in unix_file_del */
+ }
+
+ memif_disconnect_do (vm, mif);
+}
+
static clib_error_t *
memif_process_connect_req (memif_pending_conn_t * pending_conn,
memif_msg_t * req, struct ucred *slave_cr,
@@ -329,13 +336,19 @@ memif_conn_fd_read_ready (unix_file_t * uf)
size = recvmsg (uf->file_descriptor, &mh, 0);
if (size != sizeof (memif_msg_t))
{
- if (size != 0)
+ if (size == 0)
{
- DEBUG_UNIX_LOG ("Malformed message received on fd %d",
- uf->file_descriptor);
- error = clib_error_return_unix (0, "recvmsg fd %d",
- uf->file_descriptor);
+ if (pending_conn)
+ memif_remove_pending_conn (pending_conn);
+ else
+ memif_disconnect_do (vm, mif);
+ return error;
}
+
+ DEBUG_UNIX_LOG ("Malformed message received on fd %d",
+ uf->file_descriptor);
+ error = clib_error_return_unix (0, "recvmsg fd %d",
+ uf->file_descriptor);
goto disconnect;
}
@@ -420,7 +433,8 @@ memif_int_fd_read_ready (unix_file_t * uf)
mif->interrupt_line.index = ~0;
mif->interrupt_line.fd = -1;
}
- vnet_device_input_set_interrupt_pending (vnm, mif->hw_if_index, 0);
+ else
+ vnet_device_input_set_interrupt_pending (vnm, mif->hw_if_index, 0);
return 0;
}