From mboxrd@z Thu Jan 1 00:00:00 1970 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 B0114C433EF for ; Tue, 7 Jun 2022 10:51:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236241AbiFGKv0 (ORCPT ); Tue, 7 Jun 2022 06:51:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242302AbiFGKuK (ORCPT ); Tue, 7 Jun 2022 06:50:10 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6079CF5D07; Tue, 7 Jun 2022 03:49:52 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 0FE471F920; Tue, 7 Jun 2022 10:49:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1654598991; 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=GIRg8u/CQs8pHF7oNp/S2oS01P+PnK8CbWWnzHzlD1Q=; b=TndR4eVOagDCdgGuQdHnEu5qFh/L+7MtYAG2FRyNA6T2QY8enB+H4p81jHr8tLM4qg7XY/ jgSe90fjtOlrCAZPVHOuGve5InrxHZB+y9cWKexeZln4igWyFcZeH2uuiZhgBqrN8ju1ry MpvS9i/eX7N04ulAUae9W1Tn/RvThaI= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1654598991; 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=GIRg8u/CQs8pHF7oNp/S2oS01P+PnK8CbWWnzHzlD1Q=; b=HQaBZ2HDYcia1aRkO4v/8vyAprJOXKSqMSFSTFioKbn16SP5IIlOqchoQEge3ZVpyVn3km a45Qem1WkF3sJcCQ== Received: from localhost.localdomain (unknown [10.100.201.122]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id DCF902C142; Tue, 7 Jun 2022 10:49:50 +0000 (UTC) From: Jiri Slaby To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby Subject: [PATCH 07/36] tty/vt: consolemap: make parameters of inverse_translate() saner Date: Tue, 7 Jun 2022 12:49:17 +0200 Message-Id: <20220607104946.18710-7-jslaby@suse.cz> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607104946.18710-1-jslaby@suse.cz> References: <20220607104946.18710-1-jslaby@suse.cz> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org - int use_unicode -> bool: it's used as bool at some places already, so make it explicit. - int glyph -> u16: every caller passes a u16 in. So make it explicit too. And remove a negative check from inverse_translate() as it never could be negative. Signed-off-by: Jiri Slaby --- drivers/accessibility/braille/braille_console.c | 2 +- drivers/accessibility/speakup/main.c | 2 +- drivers/tty/vt/consolemap.c | 4 ++-- drivers/tty/vt/selection.c | 3 ++- drivers/tty/vt/vt.c | 2 +- include/linux/consolemap.h | 6 +++--- 6 files changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c index fdc6b593f500..c4d54a5326b1 100644 --- a/drivers/accessibility/braille/braille_console.c +++ b/drivers/accessibility/braille/braille_console.c @@ -131,7 +131,7 @@ static void vc_refresh(struct vc_data *vc) for (i = 0; i < WIDTH; i++) { u16 glyph = screen_glyph(vc, 2 * (vc_x + i) + vc_y * vc->vc_size_row); - buf[i] = inverse_translate(vc, glyph, 1); + buf[i] = inverse_translate(vc, glyph, true); } braille_write(buf); } diff --git a/drivers/accessibility/speakup/main.c b/drivers/accessibility/speakup/main.c index d726537fa16c..f52265293482 100644 --- a/drivers/accessibility/speakup/main.c +++ b/drivers/accessibility/speakup/main.c @@ -470,7 +470,7 @@ static u16 get_char(struct vc_data *vc, u16 *pos, u_char *attribs) c |= 0x100; } - ch = inverse_translate(vc, c, 1); + ch = inverse_translate(vc, c, true); *attribs = (w & 0xff00) >> 8; } return ch; diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c index fb61158f4dc6..157c7f936294 100644 --- a/drivers/tty/vt/consolemap.c +++ b/drivers/tty/vt/consolemap.c @@ -281,12 +281,12 @@ unsigned short *set_translate(int m, struct vc_data *vc) * was active. * Still, it is now possible to a certain extent to cut and paste non-ASCII. */ -u16 inverse_translate(const struct vc_data *conp, int glyph, int use_unicode) +u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) { struct uni_pagedict *p; int m; - if (glyph < 0 || glyph >= MAX_GLYPH) + if (glyph >= MAX_GLYPH) return 0; p = *conp->vc_uni_pagedir_loc; diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c index f7755e73696e..6ef22f01cc51 100644 --- a/drivers/tty/vt/selection.c +++ b/drivers/tty/vt/selection.c @@ -68,7 +68,8 @@ sel_pos(int n, bool unicode) { if (unicode) return screen_glyph_unicode(vc_sel.cons, n / 2); - return inverse_translate(vc_sel.cons, screen_glyph(vc_sel.cons, n), 0); + return inverse_translate(vc_sel.cons, screen_glyph(vc_sel.cons, n), + false); } /** diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index f8c87c4d7399..1ea1c11c42fd 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -4741,7 +4741,7 @@ u32 screen_glyph_unicode(const struct vc_data *vc, int n) if (uniscr) return uniscr->lines[n / vc->vc_cols][n % vc->vc_cols]; - return inverse_translate(vc, screen_glyph(vc, n * 2), 1); + return inverse_translate(vc, screen_glyph(vc, n * 2), true); } EXPORT_SYMBOL_GPL(screen_glyph_unicode); diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index 98171dbed51f..1ff2bf55eb85 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -17,15 +17,15 @@ struct vc_data; #ifdef CONFIG_CONSOLE_TRANSLATIONS -u16 inverse_translate(const struct vc_data *conp, int glyph, int use_unicode); +u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode); unsigned short *set_translate(int m, struct vc_data *vc); int conv_uni_to_pc(struct vc_data *conp, long ucs); u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); #else -static inline u16 inverse_translate(const struct vc_data *conp, int glyph, - int use_unicode) +static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, + bool use_unicode) { return glyph; } -- 2.36.1