[PATCH] liquidio: add cleanup in octeon_setup_iq()

[Wenwen Wang]

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@xxxxxxxxxx>
---
 drivers/net/ethernet/cavium/liquidio/request_manager.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/cavium/liquidio/request_manager.c b/drivers/net/ethernet/cavium/liquidio/request_manager.c
index 0322241..6dd65f9 100644
--- 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;
 }
-- 
2.7.4