Re: [PATCH 1/2] iwl4965: Add missing check for create_singlethread_workqueue

From: Stanislaw Gruszka
Date: Wed Feb 08 2023 - 15:17:13 EST


On Wed, Feb 08, 2023 at 02:30:31PM +0800, Jiasheng Jiang wrote:
> Add the check for the return value of the create_singlethread_workqueue
> in order to avoid NULL pointer dereference.
>
> Fixes: b481de9ca074 ("[IWLWIFI]: add iwlwifi wireless drivers")
> Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Acked-by: Stanislaw Gruszka <stf_xl@xxxxx>

> static void
> @@ -6618,7 +6622,11 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
> goto out_disable_msi;
> }
>
> - il4965_setup_deferred_work(il);
> + err = il4965_setup_deferred_work(il);
> + if (err) {
> + goto out_free_irq;
> + }

{} not needded.