Re: [PATCH] wifi: rtw88: usb: kill and free rx urbs on probe failure

From: Kalle Valo
Date: Wed Aug 23 2023 - 06:14:36 EST


Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> writes:

> After rtw_usb_alloc_rx_bufs() has been called rx urbs have been
> allocated and must be freed in the error path. After rtw_usb_init_rx()
> has been called they are submitted, so they also must be killed.
>
> Add these forgotten steps to the probe error path.
>
> Besides the lost memory this also fixes a problem when the driver
> fails to download the firmware in rtw_chip_info_setup(). In this
> case it can happen that the completion of the rx urbs handler runs
> at a time when we already freed our data structures resulting in
> a kernel crash.
>
> fixes: a82dfd33d1237 ("wifi: rtw88: Add common USB chip support")

This should be:

Fixes: a82dfd33d123 ("wifi: rtw88: Add common USB chip support")

I can fix that, no need to resend because of this.

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