From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: Johan Hovold <johan@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Lixu Zhang <lixu.zhang@intel.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/5] USB: ljca: drop redundant interface reference
Date: Thu, 5 Mar 2026 15:18:35 +0200 [thread overview]
Message-ID: <aamCq4wEprHMX56a@kekkonen.localdomain> (raw)
In-Reply-To: <20260305111511.18386-4-johan@kernel.org>
Hi Johan,
Thanks for the patch.
On Thu, Mar 05, 2026 at 12:15:09PM +0100, Johan Hovold wrote:
> Driver core holds a reference to the USB interface while it is bound to
> a driver and there is no need to take another reference unless the
> interface is needed after disconnect.
>
> Drop the redundant interface reference to reduce cargo culting, make it
> easier to spot drivers where an extra reference is needed, and reduce
> the risk of memory leaks when drivers fail to release it.
>
> Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
--
Kind regards,
Sakari Ailus
next prev parent reply other threads:[~2026-03-05 13:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-05 11:15 [PATCH 0/5] USB: drop redundant references Johan Hovold
2026-03-05 11:15 ` [PATCH 1/5] USB: cypress_cy7c63: drop redundant device reference Johan Hovold
2026-03-05 11:15 ` [PATCH 2/5] USB: cytherm: " Johan Hovold
2026-03-05 11:15 ` [PATCH 3/5] USB: ljca: drop redundant interface reference Johan Hovold
2026-03-05 13:18 ` Sakari Ailus [this message]
2026-03-05 11:15 ` [PATCH 4/5] USB: trancevibrator: drop redundant device reference Johan Hovold
2026-03-05 11:15 ` [PATCH 5/5] USB: usbsevseg: " Johan Hovold
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