From mboxrd@z Thu Jan 1 00:00:00 1970 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 F3C20352929 for ; Fri, 21 Nov 2025 18:02:13 +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=1763748134; cv=none; b=CxS2yeg7MuUIjT1LpsSMz4AvVLdL5eNEbGkkjwRtA3WerSMwg6SSXQ/zER/8+IXQhBx6JUv87nISjZG8IJoz41JdRndX3f57FBK+5zgET3ivkad3081mlQfJ6eiBiwxPcYhlZl84plrMI3/QIzpRRZr7rLZUgubJf05ZoMg9QAc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763748134; c=relaxed/simple; bh=TuMDIkp9GEcCNq6J0wW+W6iR+65A9/Aoj+ubmQ41eb8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gqbV4PR756jMVt56zpG2hrNwZXmTlUJAej9UbA8zUjAjaH9R4paEIFu4N/PpHi/C710UspVHLfgcKsv+YXswLzGBQyiC/H9mNhJsCpJ8JkkR/ttlUeXyJz/slDyr9F/t2VpgCSBhQA7bgx9c46XL/wTx42XEiUOMflk0ddDnUv0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=h9adge8t; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="h9adge8t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 24046C116D0; Fri, 21 Nov 2025 18:02:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763748133; bh=TuMDIkp9GEcCNq6J0wW+W6iR+65A9/Aoj+ubmQ41eb8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=h9adge8t7p56iYxLNm/3iffC0mpZYMJ/Qk9RSXhcseVnjunABrGBRqP/OHrXuoTaW tu1/wcCWZ2mIPmTFFJAFlDmCRHNgAbPerkVuLWEFtQUEzPzgoaFLqonocnzzor1Ry1 0Mtub7Dc54K1KrzEF0lyYme33lKeQLE6vnWiREOpFMx52t+FVAfrRAS1OvwxPEoQna ugpacERLMMRMCBTzxDt62QrixweHk/0ANoNoMiXH1pZlBK4eoce94M+rs67k84ju4V rntpd7JVMpuSjCqVm8x5dZYn+Tk8oNqsjHtETIlsVM91IznxvNqgVp45tzGUQHXDdr XzXQWN+Ca5tyA== From: Christian Brauner Date: Fri, 21 Nov 2025 19:01:18 +0100 Subject: [PATCH RFC v3 39/47] hv: convert mshv_ioctl_create_partition() to FD_PREPARE() Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251121-work-fd-prepare-v3-39-2c6444d13e0e@kernel.org> References: <20251121-work-fd-prepare-v3-0-2c6444d13e0e@kernel.org> In-Reply-To: <20251121-work-fd-prepare-v3-0-2c6444d13e0e@kernel.org> To: Linus Torvalds , Jeff Layton , Amir Goldstein , Jens Axboe Cc: Alexander Viro , Jan Kara , linux-fsdevel@vger.kernel.org, Christian Brauner X-Mailer: b4 0.15-dev-a6db3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1323; i=brauner@kernel.org; h=from:subject:message-id; bh=TuMDIkp9GEcCNq6J0wW+W6iR+65A9/Aoj+ubmQ41eb8=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWQqrLjIWb/107pOoRenite5LtKp2NvF/NCCs2Trz1fRX pK1v+I3dJSyMIhxMciKKbI4tJuEyy3nqdhslKkBM4eVCWQIAxenAEykUJWR4Z6qruBE+3xzWXXJ V3VVotfudfWufvqm9NhtrWefD9z0k2L4K33v5oWblheN1rS5Lk4JaGln5XDJEUlz7FtW2WdcM1+ LGQA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Signed-off-by: Christian Brauner --- drivers/hv/mshv_root_main.c | 30 ++++++++---------------------- 1 file changed, 8 insertions(+), 22 deletions(-) diff --git a/drivers/hv/mshv_root_main.c b/drivers/hv/mshv_root_main.c index e3b2bd417c46..575c23560bb2 100644 --- a/drivers/hv/mshv_root_main.c +++ b/drivers/hv/mshv_root_main.c @@ -1938,30 +1938,16 @@ mshv_ioctl_create_partition(void __user *user_arg, struct device *module_dev) goto delete_partition; ret = mshv_init_async_handler(partition); - if (ret) - goto remove_partition; - - fd = get_unused_fd_flags(O_CLOEXEC); - if (fd < 0) { - ret = fd; - goto remove_partition; - } - - file = anon_inode_getfile("mshv_partition", &mshv_partition_fops, - partition, O_RDWR); - if (IS_ERR(file)) { - ret = PTR_ERR(file); - goto put_fd; + if (!ret) { + FD_PREPARE(fdf, O_CLOEXEC, + anon_inode_getfile("mshv_partition", + &mshv_partition_fops, partition, O_RDWR)); + ret = ACQUIRE_ERR(fd_prepare, &fdf); + if (!ret) + return fd_publish(fdf); } - - fd_install(fd, file); - - return fd; - -put_fd: - put_unused_fd(fd); -remove_partition: remove_partition(partition); + delete_partition: hv_call_delete_partition(partition->pt_id); cleanup_irq_srcu: -- 2.47.3