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[147.75.199.223]) by mx.google.com with ESMTPS id im11-20020a056214246b00b0068c84216c8dsi2433115qvb.414.2024.02.13.02.18.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Feb 2024 02:18:16 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-63330-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=s9rSz7y2; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-63330-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-63330-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id E7A831C2153F for ; Tue, 13 Feb 2024 10:18:15 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6FB1523749; Tue, 13 Feb 2024 10:18:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="s9rSz7y2" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC99C249E6; Tue, 13 Feb 2024 10:18:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707819481; cv=none; b=nfwvkJVn7of/ObW0E4MMO8CE2TJaNT7MWkgVpRD3/re8/WXlOhoVz79/EYb3bEQ28KosYRO+TV+YsSPKrAoVpUwfOSxcqvZg8gd0kZio4UIgRkY8gVOuI0/n9maDKhkv3BIUZni0eInNm/F6+2Z8c/OK6XDaDMSLtMU6UD8CXP0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707819481; c=relaxed/simple; bh=M0omCzupnR3eO9G0ZEKmTrZW1r/VLKkL8eLhQp9cwrA=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=gjbPMEdVoMh+Rf6d1VzDTJdFNIX9bT1JnEi8zM8v3pPCHLPVkvfUe2a4ZlZNW1dtflndEiq2SceufKCaZdgW0kEktBxyAsuK3MnUHUCzoki40gGksbfiuNVUcd6MDYoJwTI6MECGWAdfRVQLDYvXc9VJDoBcBA/S54L045e0uGE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s9rSz7y2; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 311D5C433F1; Tue, 13 Feb 2024 10:17:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707819481; bh=M0omCzupnR3eO9G0ZEKmTrZW1r/VLKkL8eLhQp9cwrA=; h=From:To:Cc:Subject:Date:From; b=s9rSz7y2uHJMnZhKr4qSW9mpG7iRl6rFaesUumx6kTwL75nBPio0n+kTi3qJv/DKP gNGyOl0ZlFS40+OiuZJuVQV18VucJadwMoEhCT8xe5gBgM1y8CHioDDwWwczTl02G7 DiJDA8DIUmNoelB2CJCau+WyZulEZK67E53aoxc+Wnfbc3TOjsjDoVG1UyoiAJPYJc Naqu3voXnhoBzjqKcUvajkwaOASC+Q0ljhyjtD19NregQBDzt6GyzkCgVjB4XK5DkP I9Z0+AvAv0g3JtOSu3ydnaCIY6C1beITu7hnuSMBApg08r46EuSu/Ye7oFNzdSg/mH KREKGIuYyWMZQ== From: Arnd Bergmann To: Greg Kroah-Hartman , Jiri Slaby Cc: Arnd Bergmann , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH] tty: hvc-iucv: fix function pointer casts Date: Tue, 13 Feb 2024 11:17:49 +0100 Message-Id: <20240213101756.461701-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790778536177441890 X-GMAIL-MSGID: 1790778536177441890 From: Arnd Bergmann clang warns about explicitly casting between incompatible function pointers: drivers/tty/hvc/hvc_iucv.c:1100:23: error: cast from 'void (*)(const void *)' to 'void (*)(struct device *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict] 1100 | priv->dev->release = (void (*)(struct device *)) kfree; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Add a separate function to handle this correctly. Signed-off-by: Arnd Bergmann Reviewed-by: Jiri Slaby --- drivers/tty/hvc/hvc_iucv.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c index fdecc0d63731..b1149bc62ca1 100644 --- a/drivers/tty/hvc/hvc_iucv.c +++ b/drivers/tty/hvc/hvc_iucv.c @@ -1035,6 +1035,10 @@ static const struct attribute_group *hvc_iucv_dev_attr_groups[] = { NULL, }; +static void hvc_iucv_free(struct device *data) +{ + kfree(data); +} /** * hvc_iucv_alloc() - Allocates a new struct hvc_iucv_private instance @@ -1097,7 +1101,7 @@ static int __init hvc_iucv_alloc(int id, unsigned int is_console) priv->dev->bus = &iucv_bus; priv->dev->parent = iucv_root; priv->dev->groups = hvc_iucv_dev_attr_groups; - priv->dev->release = (void (*)(struct device *)) kfree; + priv->dev->release = hvc_iucv_free; rc = device_register(priv->dev); if (rc) { put_device(priv->dev);