From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=216.40.44.17 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794386658; b=KG9rQKCoaGbpXB1JzGgppaWItPYZRSWY9dbxJUHhl6qZxojErsX+KvDeELUC4LyE+Dd+ W4yrnI5zZ3ixQfSZAYJvOHzkZ2+U/0Hh/l5/EHRVjm9B+3/uQCw0yvcD1HZzdvCM/9hEK FJ+0UpuhI1jQN5Bc1G6DE2EmdPMs15ExwDZLlhISgqssZoiXaKeUX1CpBNNVFYRYN9AMB J7uokswprQDljLWrFyHiHFbpPvN8R+R4zPXiAiMoJrkvVKPShLcGRXyHYwBzaSQA1LN3a Pcws2s3QePOIysrMzw247V2sBdU4sN7k8Edd+1fdhvqkS3qCn6gOFvlZSEqbFJJyGPQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794386658; h=DMARC-Filter:Received:Received:Date:From:To:Cc:Subject:Message-ID: In-Reply-To:References:X-Mailer:MIME-Version:Content-Type: Content-Transfer-Encoding:X-Stat-Signature:X-Rspamd-Server: X-Rspamd-Queue-Id:X-Spam-Status:X-Session-Marker:X-Session-ID: DKIM-Signature:X-HE-Tag:X-HE-Meta; bh=kj4d2juRbTUyjRObk5lhKiw8KbvGP7+NJHQ2SToNLJA=; b=1F8LlE8nwcnkne5BLHvQDqmv0ePyNEN0/Ua2befT7JSQNjZIOvFBIXZ1OvTkik1Ww7ot qYfhaORAmR6G7TET9NQD0RIsm4jFtI2ZInCB7dn/8ps8TmWdP6qiaMYft/pRjGDOwfWiV u2GTDRWCCzMpJVLsYNtVgw/dRsi+5AO3du5uNg7Y8XbpXTsX6I4zCuc4BeEjnutNczITW P0YRajegbzf44DtAB87oXDReuK3r6K4in0yBOhmyx+WulNgB3uFpoB9t1ZzK6gBF9sWg7 oS6BS+A9Pu9QbKuitgMGGJYYBtFAgZG4bGGHKrGzpgc6ppb+qg7Dl1e2uuHlIU6t9Tw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; dkim=pass header.d=goodmis.org header.i=@goodmis.org header.a=rsa-sha256 header.s=dkim1 header.b="4q/KfQgV"; arc=none smtp.remote-ip=216.40.44.17 Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D691606A320; Wed, 11 Nov 2026 08:44:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9D691606A320 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=goodmis.org header.i=@goodmis.org header.a=rsa-sha256 header.s=dkim1 header.b=4q/KfQgV Received: from omf07.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay06.hostedemail.com (Postfix) with ESMTP id B1896A794B; Wed, 11 Nov 2026 08:44:13 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf07.hostedemail.com (Postfix) with ESMTPA id AF7D02002D; Wed, 11 Nov 2026 08:43:59 +0000 (UTC) Date: Wed, 11 Nov 2026 03:43:52 -0500 From: Steven Rostedt To: Alejandro Colomar Cc: linux-hardening@vger.kernel.org, Krzysztof Kozlowski , "Maciej W. Rozycki" , Geert Uytterhoeven , Andreas Schwab , Andy Shevchenko , Bartosz Golaszewski , Daniel Scally , Danilo Krummrich , Greg Kroah-Hartman , Hans Verkuil , Heikki Krogerus , Joe Perches , Johan Hovold , Kees Cook , Laurent Pinchart , Len Brown , Linus Torvalds , Linus Walleij , Namhyung Kim , "Rafael J. Wysocki" , Rob Herring , Sakari Ailus , Saravana Kannan , Tom Zanussi , linux-acpi@vger.kernel.org, driver-core@lists.linux.dev, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, Bartosz Golaszewski Subject: Re: [PATCH v3 1/5] string: Add strprefix(), and deprecate str_has_prefix() Message-ID: <20261111034352.5c45e30f@fedora> In-Reply-To: <556766412884389a7cecfe6affcc9fa3a78f9807.1794323750.git.alx@kernel.org> References: <556766412884389a7cecfe6affcc9fa3a78f9807.1794323750.git.alx@kernel.org> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-redhat-linux-gnu) X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: 9reopibxfacub77xym1aj6ezurap8jk8 X-Rspamd-Server: rspamout04 X-Rspamd-Queue-Id: AF7D02002D X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1/dz/mQgZDwHS78NvaXBjDCWjyDcEshuPI= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=goodmis.org; h=date:from:to:cc:subject:message-id:in-reply-to:references:mime-version:content-type:content-transfer-encoding; s=dkim1; bh=kj4d2juRbTUyjRObk5lhKiw8KbvGP7+NJHQ2SToNLJA=; b=4q/KfQgVhXoeg8xxMeWFbqjrWg46MH1GvbRkZIHunPPEhGE2FUz3n26rVbQKu7mQEd3oLUVEREy1FX2Z7IQPxf5GoltXzV/840+Y6haIl3aFDHw3C1e6iwsAhmkyrsa0rV6Ud+cjmoPNFR4DjsrldCCabHIkWJ2YSuSlxaffT/k= X-HE-Tag: 1794386639-904136 X-HE-Meta: U2FsdGVkX1/C781zNDqzzzHmIbqsmLh06ijPMbUYTNeFmEftFAzWFbEeoukyycUuSbCaZii994t1DsdsTGSfeaDSTYrLJIKWL0NXbWbZyZRqYcTZtA8hOGedLXB25zjW0dUgWN8qmnqKDkOX1Sa+103QOaHyhExVRadf5Ttml/P5URtJEB+pEyGY56v/iWfRffSuoBC69xXt0ioMcQUxW3ka6yhxD7p0Hfg2UVzA87r1+YwE0GTPH4nQCr6t5z4DBNkHW7EAKQli0TZEiqo8Bq+Bdd73SWVl5pWGGlU/u6CSuuEuopC9IQKy8y0kS4BKyg7ajHjxBP9sI1/eA9aMLuoKckNRCBTB On Tue, 10 Nov 2026 16:33:23 +0100 Alejandro Colomar wrote: > +/** > + * str_has_prefix - Test if a string has a given prefix > + * @str: The string to test > + * @prefix: The string to see if @str starts with > + * > + * DEPRECATED: Use strprefix() I'm still not convinced, so NAK on this part. -- Steve > + * > + * A common way to test a prefix of a string is to do: > + * strncmp(str, prefix, sizeof(prefix) - 1) > + * > + * But this can lead to bugs due to typos, or if prefix is a pointer > + * and not a constant. Instead use strprefix(). > *