In idpf_vc_core_init, the mailbox work is queued
on a mailbox workqueue but it is not cancelled on error.
This results in a call trace when idpf_mbx_task tries
to access the freed mailbox queue pointer. Fix it by
cancelling the mailbox work in the error path.

Reviewed-by: Wojciech Drewek <wojciech.dre...@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.li...@intel.com>
---
 drivers/net/ethernet/intel/idpf/idpf_virtchnl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c 
b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
index 9bc85b2f1709..cbb3f104f899 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
@@ -3140,6 +3140,7 @@ int idpf_vc_core_init(struct idpf_adapter *adapter)
 
 err_intr_req:
        cancel_delayed_work_sync(&adapter->serv_task);
+       cancel_delayed_work_sync(&adapter->mbx_task);
        idpf_vport_params_buf_rel(adapter);
 err_netdev_alloc:
        kfree(adapter->vports);
-- 
2.38.1

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