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Donenfeld" Subject: Re: [PATCH v2] ALSA: rme9652: use explicitly signed char In-Reply-To: <20221025000313.546261-1-Jason@zx2c4.com> References: <202210250456.vKv5zoLb-lkp@intel.com> <20221025000313.546261-1-Jason@zx2c4.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Cc: alsa-devel@alsa-project.org, Takashi Iwai , linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Tue, 25 Oct 2022 02:03:13 +0200, Jason A. Donenfeld wrote: > > With char becoming unsigned by default, and with `char` alone being > ambiguous and based on architecture, signed chars need to be marked > explicitly as such. This fixes warnings like: > > sound/pci/rme9652/hdsp.c:3953 hdsp_channel_buffer_location() warn: 'hdsp->channel_map[channel]' is unsigned > sound/pci/rme9652/hdsp.c:4153 snd_hdsp_channel_info() warn: impossible condition '(hdsp->channel_map[channel] < 0) => (0-255 < 0)' > sound/pci/rme9652/rme9652.c:1833 rme9652_channel_buffer_location() warn: 'rme9652->channel_map[channel]' is unsigned > > Cc: Jaroslav Kysela > Cc: Takashi Iwai > Cc: alsa-devel@alsa-project.org > Signed-off-by: Jason A. Donenfeld Applied now. Thanks! Takashi 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 287E0C38A2D for ; Tue, 25 Oct 2022 06:22:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231232AbiJYGWD (ORCPT ); Tue, 25 Oct 2022 02:22:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229781AbiJYGV7 (ORCPT ); Tue, 25 Oct 2022 02:21:59 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA6C53A4B8 for ; Mon, 24 Oct 2022 23:21:57 -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-out1.suse.de (Postfix) with ESMTPS id 2E38D22091; Tue, 25 Oct 2022 06:21:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1666678916; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=SMUD0HGiK3OL9m7c9OiUC44lg0O00LzZHQLiH4opMMs=; b=tu28yF99nXVTYnHshig2l1k/1Xf355D4Mv7wt9q2bU1lTzInj4U8eLvSj/NUZ3XyxqXmty NXv1mDiC4ziLG2glh0i3fUO1S0I1OTm+oLsyDap8RrmaU+XzddzHFJvivSSUFE2tFzpHmw qg4pEhW5bYDQ3LZeKh/1/9d+483qqnc= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1666678916; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=SMUD0HGiK3OL9m7c9OiUC44lg0O00LzZHQLiH4opMMs=; b=UnjQnMkK3Q3mTrAjUhjpD8740VS04C/61Q/mxe4n/hDKm5BvM3iY1vDaRrezebeyJsjIzN N50x6FIZ0MDwMHCQ== 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 103B3134CA; Tue, 25 Oct 2022 06:21:56 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id qTkwA4SAV2PqXgAAMHmgww (envelope-from ); Tue, 25 Oct 2022 06:21:56 +0000 Date: Tue, 25 Oct 2022 08:21:55 +0200 Message-ID: <87bkq0s9rw.wl-tiwai@suse.de> From: Takashi Iwai To: "Jason A. Donenfeld" Cc: linux-kernel@vger.kernel.org, Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org Subject: Re: [PATCH v2] ALSA: rme9652: use explicitly signed char In-Reply-To: <20221025000313.546261-1-Jason@zx2c4.com> References: <202210250456.vKv5zoLb-lkp@intel.com> <20221025000313.546261-1-Jason@zx2c4.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 25 Oct 2022 02:03:13 +0200, Jason A. Donenfeld wrote: > > With char becoming unsigned by default, and with `char` alone being > ambiguous and based on architecture, signed chars need to be marked > explicitly as such. This fixes warnings like: > > sound/pci/rme9652/hdsp.c:3953 hdsp_channel_buffer_location() warn: 'hdsp->channel_map[channel]' is unsigned > sound/pci/rme9652/hdsp.c:4153 snd_hdsp_channel_info() warn: impossible condition '(hdsp->channel_map[channel] < 0) => (0-255 < 0)' > sound/pci/rme9652/rme9652.c:1833 rme9652_channel_buffer_location() warn: 'rme9652->channel_map[channel]' is unsigned > > Cc: Jaroslav Kysela > Cc: Takashi Iwai > Cc: alsa-devel@alsa-project.org > Signed-off-by: Jason A. Donenfeld Applied now. Thanks! Takashi