From 84a313b7d296bb12560bb8b5f21421be35c1704d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Tue, 19 Dec 2023 18:32:06 +0100 Subject: [PATCH] fpga: intel-m10-bmc-sec-update: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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() will be 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 Acked-by: Xu Yilun Link: https://lore.kernel.org/r/8d7b192ade744a70da4d7bc681ee4e00f9d04ba9.1703006638.git.u.kleine-koenig@pengutronix.de Signed-off-by: Xu Yilun --- drivers/fpga/intel-m10-bmc-sec-update.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/fpga/intel-m10-bmc-sec-update.c b/drivers/fpga/intel-m10-bmc-sec-update.c index 31af2e08c825f..89851b1337097 100644 --- a/drivers/fpga/intel-m10-bmc-sec-update.c +++ b/drivers/fpga/intel-m10-bmc-sec-update.c @@ -730,15 +730,13 @@ fw_name_fail: return ret; } -static int m10bmc_sec_remove(struct platform_device *pdev) +static void m10bmc_sec_remove(struct platform_device *pdev) { struct m10bmc_sec *sec = dev_get_drvdata(&pdev->dev); firmware_upload_unregister(sec->fwl); kfree(sec->fw_name); xa_erase(&fw_upload_xa, sec->fw_name_id); - - return 0; } static const struct platform_device_id intel_m10bmc_sec_ids[] = { @@ -760,7 +758,7 @@ MODULE_DEVICE_TABLE(platform, intel_m10bmc_sec_ids); static struct platform_driver intel_m10bmc_sec_driver = { .probe = m10bmc_sec_probe, - .remove = m10bmc_sec_remove, + .remove_new = m10bmc_sec_remove, .driver = { .name = "intel-m10bmc-sec-update", .dev_groups = m10bmc_sec_attr_groups, -- 2.30.2