From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5FF303845CF; Thu, 5 Mar 2026 11:15:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772709328; cv=none; b=fz86w1lGCxVZP9ZWuJECM/rhD5HOTAxtGqTCeiQD/a4iOfgKH8p5VUDYfTKHF9BVFFAfCb8vfWf3nZIKcUtaHhTSmrom9cxx4T/RuYtDjWgVdB5/PdK4lDAOKSl5dEWBROot17LYB0a8VQcOL38XBgGhxEU920oWUA9OWFHDYMQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772709328; c=relaxed/simple; bh=fNCpqWa805aA4ypNNtrZcmOLXAGPYsiL3MrOXZwOok4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=LmfnW1ZSJb7uk8PIFVk8hvvCF7AZYeDOJEybZapmpX90qui+pbiD1aNC7NOo/axEEveqc/HqTHYGuFc+b2hZ1ThE0Ki3vOv3rJHTn1A2d+Cy18lN6TzGd+M7R7CCGPfoKzZYjQ5swG5Wk3TciBx85lZBqov0C2BqlmnjUU8pw/4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GHk6dSF3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GHk6dSF3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06950C116C6; Thu, 5 Mar 2026 11:15:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772709328; bh=fNCpqWa805aA4ypNNtrZcmOLXAGPYsiL3MrOXZwOok4=; h=From:To:Cc:Subject:Date:From; b=GHk6dSF3M7G+vadbbVx6FVNmNUoNiR9X+0RhaulbyK44u2UmEXAbItSPzXldfW/qT Dfh940JoJLePS7XaO+86i2ypPaYmQCmKglVwc7dKq54cOXee5E2fXKygEvo6Jbk676 9OHSk5OFs6HmszE/++axMRo5YfhFjtKtarIENiKXg5jbFeAdFDAJB8SNS4E3QF14S5 RgsmjhA2Iaw+sLQBvVQvKnEvT9hXQQxDewm6f+eOhII3Y4+ywWyGhcT7lp3AXkMqcj BZWY1H54WhLNZxrhNw3JUwRrGDeUyBwwWbX6waYG2jKplEFtCCXRwxte5mbo0FaWek +NNz2Mju5Y4Iw== Received: from johan by xi.lan with local (Exim 4.98.2) (envelope-from ) id 1vy6ft-000000004nb-3fY0; Thu, 05 Mar 2026 12:15:25 +0100 From: Johan Hovold To: Greg Kroah-Hartman Cc: Lixu Zhang , Sakari Ailus , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH 0/5] USB: drop redundant references Date: Thu, 5 Mar 2026 12:15:06 +0100 Message-ID: <20260305111511.18386-1-johan@kernel.org> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Driver core holds a reference to the USB interface and its parent USB device while the interface is bound to a driver and there is no need to take additional references unless the structures are needed after disconnect. Drop redundant references 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 them. Johan Johan Hovold (5): USB: cypress_cy7c63: drop redundant device reference USB: cytherm: drop redundant device reference USB: ljca: drop redundant interface reference USB: trancevibrator: drop redundant device reference USB: usbsevseg: drop redundant device reference drivers/usb/misc/cypress_cy7c63.c | 4 +--- drivers/usb/misc/cytherm.c | 4 +--- drivers/usb/misc/trancevibrator.c | 3 +-- drivers/usb/misc/usb-ljca.c | 15 +++++---------- drivers/usb/misc/usbsevseg.c | 3 +-- 5 files changed, 9 insertions(+), 20 deletions(-) -- 2.52.0