From nobody Sun Feb 8 09:11:32 2026 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 26DE03FEF; Thu, 15 Feb 2024 02:30:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707964208; cv=none; b=NEyf9Yc3S3G3zY4C1ydWC6J5FlLBUOfZZNuAgM9IhwjENh74+0nZM95CAMozOpxiRhRwOueGZoyhmsfdt0bSYzNsAy8hiUsFjcZ8df1IKlQa9UaEaDWhkw1OVKaQ9ft5ymKfjVxjJRoxhdUosjJcEUN5JeMyHzFeXnnv+HmhOXY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707964208; c=relaxed/simple; bh=LVa6TQR2ubWCWAbXH9G7raC0OPAwoLfUp9WeQppAu/g=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=m11jK5u2EZToFq6FQ0rkazBJAETCg+WK2YYG1SnHr8KDHMHySAketH1/c43sAeiHDwW8NEJEg6fn9/4SWsIste1vKZ+9DJ0p5j5Ti27OTYaLTjSEDxrzLxvqJn1rW1W/lPlpIyRVDqcoW16VxwWszFjTIPPVbmn3k+zlHbtlzkk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au; spf=pass smtp.mailfrom=canb.auug.org.au; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b=aYrZu5gx; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="aYrZu5gx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1707964194; bh=90YqM914shKUVf/nn8h70J6ciK5KWSzDwzEM9f+oKzc=; h=Date:From:To:Cc:Subject:From; b=aYrZu5gxYRwUPGVKk/7mIVn1i14IjgI6BmCOcv/uUyS1E/LEfR4v3AoiV8ImdMvpX b83R6FdjM6lTXQMvrMO9gHo44v1t4xk1vXpjYsIlX2BRXu8t5JeDsxM6nh/AWRLfjE HmqRl3EahDyUwdji6P7lHC/Lk3pYUtzNtCZNRMTn7QXp5yawGFPiqo9AqjNWgUP/F/ n8/pXXK6oqeIJc70K8WjqADD5xixdvW/17/lectvEtqa5YcvN0yxgRrUWKV6eRAi32 rCyyjIuCpzbuwb7ejuyeNwms6R8cH3T79ZfvHyp9ZhIYAZFHeMr6lzj7Nuf9MtvHaE wv2KRLpA+t9eg== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4TZzYF2n1cz4wcN; Thu, 15 Feb 2024 13:29:53 +1100 (AEDT) Date: Thu, 15 Feb 2024 13:29:52 +1100 From: Stephen Rothwell To: Krzysztof Kozlowski , Greg KH Cc: Francesco Dolcini , Greg Kroah-Hartman , Christoph Winklhofer , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the w1 tree Message-ID: <20240215132952.6c83ab23@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/zKc9Ct.VwZnhFkAum=xP6yt"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/zKc9Ct.VwZnhFkAum=xP6yt Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Hi all, After merging the w1 tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/w1/masters/w1-uart.c:314:24: error: initialization of 'size_t (*)(s= truct serdev_device *, const u8 *, size_t)' {aka 'long unsigned int (*)(str= uct serdev_device *, const unsigned char *, long unsigned int)'} from incom= patible pointer type 'ssize_t (*)(struct serdev_device *, const u8 *, size_= t)' {aka 'long int (*)(struct serdev_device *, const unsigned char *, long = unsigned int)'} [-Werror=3Dincompatible-pointer-types] 314 | .receive_buf =3D w1_uart_serdev_receive_buf, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/w1/masters/w1-uart.c:314:24: note: (near initialization for 'w1_uar= t_serdev_ops.receive_buf') Caused by commit 178cf9db9e6d ("w1: add UART w1 bus driver") interacting with commit fed99212acae ("treewide, serdev: change receive_buf() return type to size= _t") from the tty tree. I have applied the following merge resolution patch: From: Stephen Rothwell Date: Thu, 15 Feb 2024 13:23:35 +1100 Subject: [PATCH] fixup for "w1: add UART w1 bus driver" interacting with "treewide, serdev: change receive_buf() return type to siz= e_t" Signed-off-by: Stephen Rothwell --- drivers/w1/masters/w1-uart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/w1/masters/w1-uart.c b/drivers/w1/masters/w1-uart.c index 6950d29d7dac..a31782e56ba7 100644 --- a/drivers/w1/masters/w1-uart.c +++ b/drivers/w1/masters/w1-uart.c @@ -289,7 +289,7 @@ static int w1_uart_serdev_tx_rx(struct w1_uart_device *= w1dev, return ret; } =20 -static ssize_t w1_uart_serdev_receive_buf(struct serdev_device *serdev, +static size_t w1_uart_serdev_receive_buf(struct serdev_device *serdev, const u8 *buf, size_t count) { struct w1_uart_device *w1dev =3D serdev_device_get_drvdata(serdev); --=20 2.43.0 --=20 Cheers, Stephen Rothwell --Sig_/zKc9Ct.VwZnhFkAum=xP6yt Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmXNdyAACgkQAVBC80lX 0Gx0nggAlsDOQAnBfleT5Q1ZDV4jaUlLKb+L0t8Q/6kEqIrC3bzx6XAC7UNc2HMk 5zngyK+OgfuKoluQ9WBYcoRPAYmoG0T78yuttueSuLLZ5qz0vfQJEd/fDVnMSG0V XFRWK2Hha8ezHBMVjtR5w7TWdtGOkMbGomO6QY4yGDm6HOeahF/9L/3GHURpHznV 1bUeBbTYzbMc8TXm9nEC32FtkrE1uSegOjdhZZhIX7CNieuoBLJxXXyycuPlafG3 SG6CBrxh8FWZ8AHgITq/dVjR0jw1CfFNc+CjFMj4/oOVtBfBHG1/l4Fbdx/FL7tB wynOk/EM8degtY+I1CWAwKSYdrrvSw== =x4BQ -----END PGP SIGNATURE----- --Sig_/zKc9Ct.VwZnhFkAum=xP6yt--