From patchwork Mon Jan 31 21:05:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 12731219 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 E9486C4332F for ; Mon, 31 Jan 2022 21:08:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380447AbiAaVIz (ORCPT ); Mon, 31 Jan 2022 16:08:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1380340AbiAaVHD (ORCPT ); Mon, 31 Jan 2022 16:07:03 -0500 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC536C061755 for ; Mon, 31 Jan 2022 13:06:51 -0800 (PST) Received: by mail-wm1-x335.google.com with SMTP id o1-20020a1c4d01000000b0034d95625e1fso284184wmh.4 for ; Mon, 31 Jan 2022 13:06:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=DLCFktF5bXfVELdSs1sFnaEEXohencjsFb8X+BTPOv4=; b=IHzC2SevZm5+o9SbqNmhgWdJDul0iEkmYGyVGe/SmayW6tHVYAPf+A5/26FIZeTE+D 0VOw3ADfS5vBpiQTuUGs2n8y+G19uSujvFy7DZ7THok1dM7BC3LIlrb046oFUnkEtglA ktiGzuVyyG84pbn82uIEzbyH2elqAexWphQIk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DLCFktF5bXfVELdSs1sFnaEEXohencjsFb8X+BTPOv4=; b=RHS8sVGqq08yP41wdGEbHSGczWtroX+RJ9o2gFw1tZGUPbq6/q9KXsYjA0psYR0kyV zzft55KbbT2lxmhYw0pRe5fXkidwaksy15T71uOUnLlISKkKQ9mUt1u0TNpQQ3FH+prF QnvT6pUSYQH1YKydQX+vEyxeWLAOiyfKiGHVubZN5IXPr0kQ56DJp4shSoqOcPRS0BEE BZtSGW7cxV6eioQ7SL+GbMKO2B9Z99l3s6/BoKY3MKHR77En4HNblbD5KOtjxLERJ/BO GyCw6ij1AIgFPfKgYkLBHFGMVVx/NuFjiZuQP/fSGEqja9JAHV0NJgJCu8blt9geQSdo GCsw== X-Gm-Message-State: AOAM532Ss9Vp79mkHV3quadwk4GZKLEASXHQYw03+d/1GxRH7VO6t2X6 BZcCZsp1dkw1BBIlVS7iSmstlg== X-Google-Smtp-Source: ABdhPJwL5EQol13tK1r2sH3cLNG0kbIqqGvoNKhVRDedFDmv74vH5tVE+s2M6mlbGpn9cwEZu83+7w== X-Received: by 2002:a05:600c:3641:: with SMTP id y1mr28651132wmq.44.1643663210600; Mon, 31 Jan 2022 13:06:50 -0800 (PST) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id b11sm314961wmq.46.2022.01.31.13.06.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Jan 2022 13:06:50 -0800 (PST) From: Daniel Vetter To: DRI Development Cc: Intel Graphics Development , linux-fbdev@vger.kernel.org, LKML , Daniel Vetter , Daniel Vetter , Daniel Vetter , Tetsuo Handa , Greg Kroah-Hartman , Du Cheng , Claudio Suarez Subject: [PATCH 17/21] fbcon: Move more code into fbcon_release Date: Mon, 31 Jan 2022 22:05:48 +0100 Message-Id: <20220131210552.482606-18-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220131210552.482606-1-daniel.vetter@ffwll.ch> References: <20220131210552.482606-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org con2fb_release_oldinfo() has a bunch more kfree() calls than fbcon_exit(), but since kfree() on NULL is harmless doing that in both places should be ok. This is also a bit more symmetric now again with fbcon_open also allocating the fbcon_ops structure. Signed-off-by: Daniel Vetter Cc: Daniel Vetter Cc: Tetsuo Handa Cc: Greg Kroah-Hartman Cc: Du Cheng Cc: Claudio Suarez Acked-by: Sam Ravnborg --- drivers/video/fbdev/core/fbcon.c | 33 +++++++++++++------------------- 1 file changed, 13 insertions(+), 20 deletions(-) diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index e5e8aaf6f60d..5c14e24d14a1 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -688,6 +688,18 @@ static void fbcon_release(struct fb_info *info) unlock_fb_info(info); module_put(info->fbops->owner); + + if (info->fbcon_par) { + struct fbcon_ops *ops = info->fbcon_par; + + fbcon_del_cursor_work(info); + kfree(ops->cursor_state.mask); + kfree(ops->cursor_data); + kfree(ops->cursor_src); + kfree(ops->fontbuffer); + kfree(info->fbcon_par); + info->fbcon_par = NULL; + } } static int fbcon_open(struct fb_info *info) @@ -741,18 +753,10 @@ static int con2fb_acquire_newinfo(struct vc_data *vc, struct fb_info *info, static void con2fb_release_oldinfo(struct vc_data *vc, struct fb_info *oldinfo, struct fb_info *newinfo) { - struct fbcon_ops *ops = oldinfo->fbcon_par; int ret; fbcon_release(oldinfo); - fbcon_del_cursor_work(oldinfo); - kfree(ops->cursor_state.mask); - kfree(ops->cursor_data); - kfree(ops->cursor_src); - kfree(ops->fontbuffer); - kfree(oldinfo->fbcon_par); - oldinfo->fbcon_par = NULL; /* If oldinfo and newinfo are driving the same hardware, the fb_release() method of oldinfo may attempt to @@ -3335,19 +3339,8 @@ static void fbcon_exit(void) } } - if (mapped) { - if (info->fbcon_par) { - struct fbcon_ops *ops = info->fbcon_par; - - fbcon_del_cursor_work(info); - kfree(ops->cursor_src); - kfree(ops->cursor_state.mask); - kfree(info->fbcon_par); - info->fbcon_par = NULL; - } - + if (mapped) fbcon_release(info); - } } }