RE: [PATCH 5/6] PCI: hv: Add a per-bus mutex state_lock

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From: Dexuan Cui <decui@xxxxxxxxxxxxx> Sent: Monday, March 27, 2023 9:51 PM
> 

[snip]

> @@ -3945,20 +3962,26 @@ static int hv_pci_resume(struct hv_device *hdev)
>  	if (ret)
>  		goto out;
> 
> +	mutex_lock(&hbus->state_lock);
> +
>  	ret = hv_pci_enter_d0(hdev);
>  	if (ret)
>  		goto out;

Shouldn't this be goto release_state_lock?

> 
>  	ret = hv_send_resources_allocated(hdev);
>  	if (ret)
> -		goto out;
> +		goto release_state_lock;
> 
>  	prepopulate_bars(hbus);
> 
>  	hv_pci_restore_msi_state(hbus);
> 
>  	hbus->state = hv_pcibus_installed;
> +	mutex_unlock(&hbus->state_lock);
>  	return 0;
> +
> +release_state_lock:
> +	mutex_unlock(&hbus->state_lock);
>  out:
>  	vmbus_close(hdev->channel);
>  	return ret;
> --
> 2.25.1





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