From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.37 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792572980; b=wcah5TrjKIHQza+WAMB4wVbiLImUkVzDVM9nJyUzoV+Pduj3nhgD3zV/XieQ5KtYkm+3 itx7LrmdmqqutcC4b5t2HB2cZ/MrwAaelxOIG7MqhIhP0pO5Vjz5f0o9nX0dW1BSC0aty 8CTcHhQoPlviJ3AqgyAfV5FDdXnLTh0AImAAfxhMAQ6XmsvgrROqujF8MX3ZJ3Zrsll8C Fqq8QgDGC/AemXgKZBr5qCdM70y/KD0HymqnIM+EH3e/v6FIa6h/ph7o1VSHsF7E9KPcO wbDxz/l9cKEL708VyzY6YUqsGkAI9euwQ9lPD8eYLBF0i7mo0gaxdM4EXOqBrED9QXg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792572980; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Message-ID:Date:MIME-Version:User-Agent: Subject:To:Cc:References:Content-Language:From:In-Reply-To: Content-Type:Content-Transfer-Encoding; bh=rGAUX7WyHtctAYQgZ/UWtEbDP48u5/oD/M4xo9z35DM=; b=2KJMhZQGu0lvHM6bYlhbGh215sNJD/6CpmrN6I5/E5e0qWGIfykoMBywpAu8gCJI8mJI 4evbskuB3COMloPbnH8ck0G5qs1/skRAVqRqGFisd/OLRtjFia4TXsBMxcYiJCujApyxS qTcDCkY3Jt/2XHJmzWrKdC2v9WPpfOXAGrYRDdN3H8jDWO8kyITYKveSt40nuGt55pO+A OwRIPaKyw9eELYgbvBpwOw1IjK50NURrrFvkzbhDNfNkVLPCIBGhHQV5pOn6vtGZVEEsh 9IDXS4X5wcF5EA8o1FN2ZjU4yEznldEATXO9oDjfphReRFsSKNPTL9Wa4LRDhVll4Zw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=cMtazZgr; arc=none smtp.remote-ip=95.215.58.37 Received: from mta1.migadu.com (out-37.mta1.migadu.com [95.215.58.37]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB85A606A31D for ; Wed, 21 Oct 2026 08:56:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org CB85A606A31D Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=cMtazZgr X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=b0hMr3I61lFJI5IrfBvnsnfONukXMVBIX2vAjQ5aK5A=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1792572976; v=1; x=1793177776; b=cMtazZgrmuHDOBt/B0DWhbnun2z5lTHkZkOlWG8RZM6ynVMUqj7JwK9D437lOWWrj8xq45GD KhD0H4OhziBFyJwLhoSirxfYolwuf4xjgIxu85tUd/1QEgvnaTXsnY0kxpNLi5ePg+DrgxycSVk kA/lzHAuBi79360gUTQ2mibQ= X-Envelope-To: linux-kernel@vger.kernel.org Received: by mta11.migadu.com with ESMTPS id 1a71eac2f28c557e; Wed, 21 Oct 2026 08:56:16 +0000 X-Mizu-Trace-ID: 1a71eac2f28c557e X-Migadu-Flow: FLOW_OUT Message-ID: Date: Wed, 21 Oct 2026 09:56:13 +0100 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] scsi: libsas: Add __printf attribute to sas_ata_printk() To: =?UTF-8?Q?Adri=C3=A1n_Garc=C3=ADa_Casado?= , "Martin K . Petersen" , "James E . J . Bottomley" Cc: John Garry , Jason Yan , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261020195934.250768-1-adriangarciacasado42@gmail.com> Content-Language: en-US From: John Garry In-Reply-To: <20261020195934.250768-1-adriangarciacasado42@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 10/20/26 20:59, Adrián García Casado wrote: > sas_ata_printk() formats its variadic arguments via struct va_format and > %pV before passing them to printk(). > > Because %pV hides the format string from the compiler, GCC does not suggest > the format attribute under -Wsuggest-attribute=format, and callers do not > get compile-time format string validation. > > Add the __printf(3, 4) attribute to sas_ata_printk() to enable compile-time > format string checking for its callers. > > Signed-off-by: Adrián García Casado > --- > drivers/scsi/libsas/sas_ata.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c > index 61368e55bf..53eac56c3a 100644 > --- a/drivers/scsi/libsas/sas_ata.c > +++ b/drivers/scsi/libsas/sas_ata.c > @@ -372,6 +372,7 @@ static int local_ata_check_ready(struct ata_link *link) > } > } I checked https://gcc.gnu.org/onlinedocs/gcc/Common-Attributes.html#Common-Function-Attributes format section, and this looks sane, so: Reviewed-by: John Garry > > +__printf(3, 4) > static int sas_ata_printk(const char *level, const struct domain_device *ddev, > const char *fmt, ...) > {