From patchwork Mon Jun 5 14:47:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 13267485 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 35797C88CB1 for ; Mon, 5 Jun 2023 14:48:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234589AbjFEOs3 (ORCPT ); Mon, 5 Jun 2023 10:48:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233881AbjFEOsW (ORCPT ); Mon, 5 Jun 2023 10:48:22 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B8FAFA; Mon, 5 Jun 2023 07:48:20 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 103191FE6A; Mon, 5 Jun 2023 14:48:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1685976498; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Cgy5SZq9MCZLvOxgmNJ7A2RuClfMx1zPGnntoBC0HJU=; b=HMFsfAlYA0JmGnw6xM5cst/GEwc2zVPkikVb31RUetCR1MX8luJbVl6z83sZZ6rgrBVQCF cNg6PVWic0wX8ueumyz56/r1WSE6DBRnJbJitYzixV0FyLaeO7IcHZ4LoFGPJb8NlvdZA+ ioo1x6uAnZffJUXUCRqgVIVUaazpo4c= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1685976498; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Cgy5SZq9MCZLvOxgmNJ7A2RuClfMx1zPGnntoBC0HJU=; b=42Y8enHUVMIVKv/ZLg1uedPfCfgHeLsKysThcvbLwfNj+h2Jxx0giGj1Prx0I6c/bVXeXl M9Ht15OAsAvgJfBg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id C2C44139C8; Mon, 5 Jun 2023 14:48:17 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id QIC7LrH1fWQvXwAAMHmgww (envelope-from ); Mon, 05 Jun 2023 14:48:17 +0000 From: Thomas Zimmermann To: daniel@ffwll.ch, javierm@redhat.com, sam@ravnborg.org, deller@gmx.de, geert+renesas@glider.be, lee@kernel.org, daniel.thompson@linaro.org, jingoohan1@gmail.com Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sh@vger.kernel.org, linux-omap@vger.kernel.org, linux-staging@lists.linux.dev, Thomas Zimmermann Subject: [PATCH 11/30] fbdev/ep93xx-fb: Do not assign to struct fb_info.dev Date: Mon, 5 Jun 2023 16:47:53 +0200 Message-Id: <20230605144812.15241-12-tzimmermann@suse.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230605144812.15241-1-tzimmermann@suse.de> References: <20230605144812.15241-1-tzimmermann@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Do not assing the Linux device to struct fb_info.dev. The call to register_framebuffer() initializes the field to the fbdev device. Drivers should not override its value. Fixes a bug where the driver incorrectly decreases the hardware device's reference counter and leaks the fbdev device. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas --- drivers/video/fbdev/ep93xx-fb.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/video/fbdev/ep93xx-fb.c b/drivers/video/fbdev/ep93xx-fb.c index f6cd200fe50f..37309f9dbe82 100644 --- a/drivers/video/fbdev/ep93xx-fb.c +++ b/drivers/video/fbdev/ep93xx-fb.c @@ -474,7 +474,6 @@ static int ep93xxfb_probe(struct platform_device *pdev) if (!info) return -ENOMEM; - info->dev = &pdev->dev; platform_set_drvdata(pdev, info); fbi = info->par; fbi->mach_info = mach_info;