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 67453345CC9; Thu, 5 Mar 2026 11:11:05 +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=1772709065; cv=none; b=pR7+8N8CEBOsmE77nz9dIguKYwCkgibZkidaZH6GxS+3IRsy1VgLMyxql/oUlqhCZOaR5NlCamUn813tKZCcMtoXo6edFkFhi1FmNxt9vMNZ7EVz6i9VJqMJgce9UXObv3ByHREURDEpylKVAGTRF+2oT5AQgYgYybAsvqvwIqg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772709065; c=relaxed/simple; bh=2ctdIRGtK/pIz7DwbckzKO/e7Kd9XepwmZ1GfS+cY+0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=eNpPoukxYvcxYtT2ctZWDIhzfQx3N8Ru8L5PJG6rL7mMm5kA1qH5RHhnWukOC7qlUYmcL1z5N7gwRwDUxKEi4b+mTAPMaBnnHp4mGQsbNRRFBniUPa27ot0yMKGFDspXPM3dUsUrlUPrtQ2CpkT1Az5ax72dYwgSvnWXaxJKsZQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DK9O2Xr3; 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="DK9O2Xr3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F0F61C116C6; Thu, 5 Mar 2026 11:11:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772709065; bh=2ctdIRGtK/pIz7DwbckzKO/e7Kd9XepwmZ1GfS+cY+0=; h=From:To:Cc:Subject:Date:From; b=DK9O2Xr3jjW5JOfShpt9VyYNblwIEjWqurK0zZD1kUXVwsCFfiKLgicyvcmRW0+D2 fLnqHCqyhLsqnWnGNBI3AYoTxQnMbOF0NPBFld0SMaKVQ7WSODyzlzHgYps42pzsFR 1uRUFECyQ9d7NbHpAaWgn5OKT2OLoYgd9jI3lw55kEPO1TjH8pOTIa8RdSJXJGpVuT jn1RyTVg2uiC2MZnr0IbFuY9mj9EGWLkkCVI+fodt9W1/H0LIkuQ2uff4dUdmkiyBW aomZ5B6+s5h1BBd0aTm4XWK/RVXpERxYMAfgZWn3Jta+rJgEtO/q9Ud7e5ixDtAaEM UXtpMsZXR3DNw== Received: from johan by xi.lan with local (Exim 4.98.2) (envelope-from ) id 1vy6be-000000004hb-3XBp; Thu, 05 Mar 2026 12:11:02 +0100 From: Johan Hovold To: Jakub Kicinski , netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH 0/2] nfc: drop redundant USB device references Date: Thu, 5 Mar 2026 12:10:17 +0100 Message-ID: <20260305111019.18030-1-johan@kernel.org> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: netdev@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 device 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 (2): nfc: pn533: drop redundant device reference nfc: port100: drop redundant device reference drivers/nfc/pn533/usb.c | 4 +--- drivers/nfc/port100.c | 4 +--- 2 files changed, 2 insertions(+), 6 deletions(-) -- 2.52.0