liquidio: add cleanup in octeon_setup_iq()

If oct->fn_list.enable_io_queues() fails, no cleanup is executed, leading
to memory/resource leaks. To fix this issue, invoke
octeon_delete_instr_queue() before returning from the function.

Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/cavium/liquidio/request_manager.c b/drivers/net/ethernet/cavium/liquidio/request_manager.c
index 032224178b647e004dbf509594dbc249822d6806..6dd65f9b347cbc4573434385daaf5ad6e17e8be4 100644 (file)
--- a/drivers/net/ethernet/cavium/liquidio/request_manager.c
+++ b/drivers/net/ethernet/cavium/liquidio/request_manager.c
@@ -237,8 +237,10 @@ int octeon_setup_iq(struct octeon_device *oct,
        }
 
        oct->num_iqs++;
-       if (oct->fn_list.enable_io_queues(oct))
+       if (oct->fn_list.enable_io_queues(oct)) {
+               octeon_delete_instr_queue(oct, iq_no);
                return 1;
+       }
 
        return 0;
 }