diff options
Diffstat (limited to 'drivers/net/ethernet/mscc/ocelot_tc.c')
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot_tc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot_tc.c b/drivers/net/ethernet/mscc/ocelot_tc.c index 935a774cb291..9e6464ffae5d 100644 --- a/drivers/net/ethernet/mscc/ocelot_tc.c +++ b/drivers/net/ethernet/mscc/ocelot_tc.c @@ -153,6 +153,9 @@ static int ocelot_setup_tc_block(struct ocelot_port *port, switch (f->command) { case FLOW_BLOCK_BIND: + if (flow_block_cb_is_busy(cb, port, &ocelot_block_cb_list)) + return -EBUSY; + block_cb = flow_block_cb_alloc(f->net, cb, port, port, NULL); if (IS_ERR(block_cb)) return PTR_ERR(block_cb); |