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From: Pavel Skripkin <paskripkin@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Fabio M. De Francesco" <fmdefrancesco@gmail.com>
Cc: Larry Finger <Larry.Finger@lwfinger.net>,
	Phillip Potter <phil@philpotter.co.uk>,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/3] staging: r8188eu: remove _io_ops structure
Date: Mon, 6 Sep 2021 17:01:09 +0300	[thread overview]
Message-ID: <90459a0f-a32f-bf45-c790-19a03673d6fc@gmail.com> (raw)
In-Reply-To: <YTYeGH+5MG5OeEbi@kroah.com>

On 9/6/21 4:56 PM, Greg Kroah-Hartman wrote:
> On Sun, Sep 05, 2021 at 12:00:46AM +0200, Fabio M. De Francesco wrote:
>> -void _rtw_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
>> -{
>> -	void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
>> -	struct io_priv *pio_priv = &adapter->iopriv;
>> -	struct	intf_hdl		*pintfhdl = &pio_priv->intf;
>> -
>> -
>> -	if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
>> -	     return;
>> -	_read_mem = pintfhdl->io_ops._read_mem;
>> -	_read_mem(pintfhdl, addr, cnt, pmem);
>> -
>> -}
> 
> This is odd, in that it resolves down to usb_read_mem which does
> nothing at all.
> 
> And then no one calls this at all either?
> 

Yep, there is no caller of this function... Idk why this was added :)

> How about removing the io ops that are not used at all first, one at a
> time, making it obvious what is happening, and then convert the ones
> that are used one at a time, and when all is done, then removing the
> structure?
> 

Ok, sounds like a good idea. Will fix in v4, thank you

> That makes it obvious what is happening and much much easier to review
> for correctness.
> 

Agree


With regards,
Pavel Skripkin

  reply	other threads:[~2021-09-06 14:01 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-04 22:00 [PATCH v3 0/3] staging: r8188eu: Shorten and simplify calls chain Fabio M. De Francesco
2021-09-04 22:00 ` [PATCH v3 1/3] staging: r8188eu: remove _io_ops structure Fabio M. De Francesco
2021-09-06 13:56   ` Greg Kroah-Hartman
2021-09-06 14:01     ` Pavel Skripkin [this message]
2021-09-06 14:08       ` Greg Kroah-Hartman
2021-09-06 17:19     ` Pavel Skripkin
2021-09-07  5:01       ` Greg Kroah-Hartman
2021-09-04 22:00 ` [PATCH v3 2/3] staging: r8188eu: Shorten calls chain of rtw_read8/16/32() Fabio M. De Francesco
2021-09-06 14:07   ` Greg Kroah-Hartman
2021-09-06 14:22     ` Pavel Skripkin
2021-09-09  7:53     ` Fabio M. De Francesco
2021-09-10 15:19     ` Fabio M. De Francesco
2021-09-10 19:05       ` Fabio M. De Francesco
2021-09-04 22:00 ` [PATCH v3 3/3] staging: r8188eu: Shorten calls chain of rtw_write8/16/32/N() Fabio M. De Francesco
2021-09-07 10:10   ` David Laight
2021-09-07 10:17     ` Pavel Skripkin
2021-09-09  8:11     ` Fabio M. De Francesco
2021-09-09  8:21       ` David Laight
2021-09-09  8:31         ` Fabio M. De Francesco

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