From: Johannes Berg johannes.berg@intel.com
commit 8188a18ee2e48c9a7461139838048363bfce3fef upstream
We don't handle failures in the rb_allocator workqueue allocation correctly. To fix that, move the code earlier so the cleanup is easier and we don't have to undo all the interrupt allocations in this case.
Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Luca Coelho luciano.coelho@intel.com [Ajay: Rewrote this patch for v4.9.y, as 4.9.y codebase is different from mainline] Signed-off-by: Ajay Kaher akaher@vmware.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index a2ebe46bcfc5b..395bbe2c0f983 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -898,9 +898,13 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) return err; } def_rxq = trans_pcie->rxq; - if (!rba->alloc_wq) + if (!rba->alloc_wq) { rba->alloc_wq = alloc_workqueue("rb_allocator", WQ_HIGHPRI | WQ_UNBOUND, 1); + if (!rba->alloc_wq) + return -ENOMEM; + } + INIT_WORK(&rba->rx_alloc, iwl_pcie_rx_allocator_work);
cancel_work_sync(&rba->rx_alloc);