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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next 14/19] net: mdio: mux-meson-gxl: Convert to platform remove callback returning void Date: Mon, 18 Sep 2023 21:50:57 +0200 Message-Id: <20230918195102.1302746-15-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230918195102.1302746-1-u.kleine-koenig@pengutronix.de> References: <20230918195102.1302746-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1689; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=ozIWasGq3N/xU1iR0Yrnd+TYz54kh5bAZ+sTOn8pRXI=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlCKoQ0fJ6ojipVcTwNWKvfLBM8FcQpdBBlYn/S vCT+JOQEtKJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZQiqEAAKCRCPgPtYfRL+ TtTSB/4sCglF6vJ5Wp7MSvPiGxMQhwl9gEoGl7FOl2982E1bRen7y+6KM/7EvTSNNCmEUf8rTVE DLjZQnsVNHbz2YtuZ2viSjO/tzDgeMJVIheCkEw9WezNtIkYXMQNCUYt17CX7ph9FvrGDESDLw3 q+QcajXEZ89FjJQt3ZLVSaTl6hzIf4PQC7EbMEbWSp/dat9pN0quna3kzgSmCpW/7CfkH2kxlfy lHtIvEny8INNFJl8GS0dO2UOB1Bm4KKEFtukCYlRl/zPiCgnGaJZ6ikAFqGBhZ+GyIsKb0xL79S W219IQo4hv5EZnfLdrexM/ZuCPg5BvDEG6xeHndx1O/5Qw5K X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Mon, 18 Sep 2023 12:52:50 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777407164718382585 X-GMAIL-MSGID: 1777407164718382585 The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Eventually after all drivers are converted, .remove_new() is renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König --- drivers/net/mdio/mdio-mux-meson-gxl.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/mdio/mdio-mux-meson-gxl.c b/drivers/net/mdio/mdio-mux-meson-gxl.c index 76188575ca1f..89554021b5cc 100644 --- a/drivers/net/mdio/mdio-mux-meson-gxl.c +++ b/drivers/net/mdio/mdio-mux-meson-gxl.c @@ -140,18 +140,16 @@ static int gxl_mdio_mux_probe(struct platform_device *pdev) return ret; } -static int gxl_mdio_mux_remove(struct platform_device *pdev) +static void gxl_mdio_mux_remove(struct platform_device *pdev) { struct gxl_mdio_mux *priv = platform_get_drvdata(pdev); mdio_mux_uninit(priv->mux_handle); - - return 0; } static struct platform_driver gxl_mdio_mux_driver = { .probe = gxl_mdio_mux_probe, - .remove = gxl_mdio_mux_remove, + .remove_new = gxl_mdio_mux_remove, .driver = { .name = "gxl-mdio-mux", .of_match_table = gxl_mdio_mux_match,