Re: [PATCH net-next] Bluetooth: btrtl: Fix passing zero to 'ERR_PTR'

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> If bt_skb_alloc() fails, ret should be -ENOMEM then pass to ERR_PTR().

You would like to achieve a more appropriate error code for another case.

See also:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.16-rc6#n94


…
> +++ b/drivers/bluetooth/btrtl.c
> @@ -1137,8 +1137,10 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
>  
>  	if (btrtl_dev->drop_fw) {
>  		skb = bt_skb_alloc(sizeof(*cmd), GFP_KERNEL);
> -		if (!skb)
> +		if (!skb) {
> +			ret = -ENOMEM;
>  			goto err_free;
> +		}
>  
>  		cmd = skb_put(skb, HCI_COMMAND_HDR_SIZE);
…

Will it be a bit nicer to perform the desired variable assignment
after an additional label like “err_no_mem”?

Regards,
Markus





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