From patchwork Tue Feb 8 21:08:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 540952 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 2D235C4332F for ; Tue, 8 Feb 2022 22:24:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1387437AbiBHWYC (ORCPT ); Tue, 8 Feb 2022 17:24:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1386740AbiBHVI4 (ORCPT ); Tue, 8 Feb 2022 16:08:56 -0500 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC9BDC0612BD for ; Tue, 8 Feb 2022 13:08:55 -0800 (PST) Received: by mail-wr1-x42f.google.com with SMTP id q7so506884wrc.13 for ; Tue, 08 Feb 2022 13:08:55 -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=NR3Vdl26ogLJ+NN6vOMjLgqKjNNnH/ILBJ7SwyK58u4=; b=NngozCg3J7yEp5L8pu/P/IyZeg/re7bovaBC5F+6eL8Vv+gBM4lELsCPvoIG1krc8x fn3vBTkvV/mGVP7Iviya7yAY4SMFa6v06yL2bpIDEOR57CQmP1GIorMKxvW2TfxkB9Fh 5nRE/JTAEFZejtofuDVVxS2+4o5bnY8TkR/2g= 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=NR3Vdl26ogLJ+NN6vOMjLgqKjNNnH/ILBJ7SwyK58u4=; b=LVurApohvm53ht/l7aOPmaFvVP9Hij8XA4Zi4ixqfJj0m9x/7xdNSM25FGfpQPz+6Z ekmCjxpdp6QNl5FtCSy8SvsBml+x8czypgwR4Ex1oLWoX9i8RTMTClJrTAjDLwVgJDl2 Xmb3l4JETx7t4ReDYEauSFBJ7zpnBFGQ5u+0ylSEoEBRitk82nNDdhoavaPl89VRlvKj 2dfiB5Ns+Bm9Oanzai5RllDe6LtpuDqR6o85AdPAN7nQmXsLiafzmFYR3pE1v2LKHTwm TR91m7LU8Cmr2EWZbtSjGdbKjEsYv9BAHSBLLLggVXdp/hShUOoSAkBajWxATNzQSk6c jw8A== X-Gm-Message-State: AOAM532PcCLs2YejtussAHXMj612D/zLOLNRALr1nffSuNeMBNJn9yXE GdgkH3H7fCEe5GLhC6aVTce5Aw== X-Google-Smtp-Source: ABdhPJyow1dh1qcgGqJFdixNGVvExdy2/GOvui0v1qlnbPgy6uaK5cpmHHHwHze64OPlU3pcDhqIUA== X-Received: by 2002:adf:a4c8:: with SMTP id h8mr324157wrb.169.1644354534298; Tue, 08 Feb 2022 13:08:54 -0800 (PST) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id o14sm3033561wmr.3.2022.02.08.13.08.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Feb 2022 13:08:53 -0800 (PST) From: Daniel Vetter To: DRI Development Cc: Intel Graphics Development , linux-fbdev@vger.kernel.org, LKML , Daniel Vetter , Sam Ravnborg , Daniel Vetter , Daniel Vetter , Tetsuo Handa , Greg Kroah-Hartman , Du Cheng , Claudio Suarez Subject: [PATCH v2 15/19] fbcon: Move more code into fbcon_release Date: Tue, 8 Feb 2022 22:08:20 +0100 Message-Id: <20220208210824.2238981-16-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220208210824.2238981-1-daniel.vetter@ffwll.ch> References: <20220208210824.2238981-1-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. Acked-by: Sam Ravnborg Signed-off-by: Daniel Vetter Cc: Daniel Vetter Cc: Tetsuo Handa Cc: Greg Kroah-Hartman Cc: Du Cheng Cc: Claudio Suarez --- 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 abb419a091c6..685b4a9e5546 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -690,6 +690,18 @@ 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) @@ -740,18 +752,10 @@ 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 @@ -3315,19 +3319,8 @@ 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); - } } }