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From: Salah Triki <salah.triki@gmail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Fabio Aiuto <fabioaiuto83@gmail.com>,
	Ross Schmidt <ross.schm.dev@gmail.com>,
	Marco Cesati <marcocesati@gmail.com>,
	Brother Matthew De Angelis <matthew.v.deangelis@gmail.com>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	Ivan Safonov <insafonov@gmail.com>,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tablet: acecad: update the reference count of the usb interface structure
Date: Thu, 29 Jul 2021 01:54:27 +0100	[thread overview]
Message-ID: <20210729005427.GA784014@pc> (raw)
In-Reply-To: <20210727123756.GL1931@kadam>

On Tue, Jul 27, 2021 at 03:37:56PM +0300, Dan Carpenter wrote:
> This commit message doesn't say what the user visible effects are.  If
> you encountered this bug at runtime then please put the stack trace in
> the commit mesage.
> 

I made this patch based on the following documentation of
usb_get_intf():

[quote]
Each live reference to a interface must be refcounted.

Drivers for USB interfaces should normally record such references 
in their probe methods, when they bind to an interface, and release them 
by calling usb_put_intf, in their disconnect methods.

[/quote]

Thanx

  reply	other threads:[~2021-07-29  0:54 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-24 20:55 [PATCH] tablet: acecad: update the reference count of the usb interface structure Salah Triki
2021-07-27 12:37 ` Dan Carpenter
2021-07-29  0:54   ` Salah Triki [this message]
2021-07-29  8:31     ` Dan Carpenter

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