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 BD15430E83F for ; Thu, 20 Nov 2025 22:32:56 +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=1763677976; cv=none; b=FRTCyaKf1Ck6KrPG3dbtFncxD3nd43qJwVH5qw8DjcmaMJ9vd3k0k/v0Ep7FFtZ2GlWPcr9HGm6xCXJ4nyIwnFWWjaz1YJ53yrZixifymfc3SttTKYNnDmlHXztNGn6KxSeJNtCgnzjDqKLkeGDpwaqNf0NX4OOqaCeInesydSQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763677976; c=relaxed/simple; bh=uPUqCOgvo9AumJa47j5H7S8FIkq+Au8OABZVQ3wuuoQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ShAJ26ViwRgm7U1OzBH5IMIPhzigMsEjXBSjHo67XwrVc/f4yN7aLtcHi9kJvdrlck0pyddLCFi3VuDq1/eLQvEsIU8reyHEoaShebRhrAfX59Apw6gwR8q7COnbhCSJlK2LU/CXUy84Ch1QEDrcAyEzesz367mgaeWx5d02H28= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kU8YI8mt; 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="kU8YI8mt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 127E7C113D0; Thu, 20 Nov 2025 22:32:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763677976; bh=uPUqCOgvo9AumJa47j5H7S8FIkq+Au8OABZVQ3wuuoQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=kU8YI8mtw5F6y/iqadRkVpDzlShHl0PVE0ZFBiBchBAr4HdDlIzZm2mPBHVErIb8z p+id3ojotaSyQMr4kmI4WTxaGeJm/zZUZ5151yHfpOx6VgZa0OtCXwC9w06BcmBtfz J0/6Gx2A8KB3zpF64Z/Ox8I4NUADH6WhX55fKY182WAfDX0l9i1/QaDZN1JGXcypeo n2kOgDIknAkGDJMsgSo5bsYh/i2MJcfbEEMgit0v63G2sU3DequekxJdt8EYZFAJwc ioxhXl6Dmjv0LahvlQrYLi3YRv9z/sMwuPEu+Amcx4dIOghg0hvzVCzBQlFLf0HxP5 g9bBCNfpaOPRA== From: Christian Brauner Date: Thu, 20 Nov 2025 23:32:16 +0100 Subject: [PATCH RFC v2 19/48] dma: convert dma_buf_fd() 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: <20251120-work-fd-prepare-v2-19-fef6ebda05d3@kernel.org> References: <20251120-work-fd-prepare-v2-0-fef6ebda05d3@kernel.org> In-Reply-To: <20251120-work-fd-prepare-v2-0-fef6ebda05d3@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=868; i=brauner@kernel.org; h=from:subject:message-id; bh=uPUqCOgvo9AumJa47j5H7S8FIkq+Au8OABZVQ3wuuoQ=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWTKT3sr9+3nmS+Ld/HlNJ+bf1o+T8T40LGjvZe9lyvnL JG+8Su6taOUhUGMi0FWTJHFod0kXG45T8Vmo0wNmDmsTCBDGLg4BWAiSj8Z/mkqvD9/M3j9l6Vs rBvfmv2JL+1/zNJQunKisO+qLTuaYlwY/oek33/MeT7v3J0UxuJi8egbeR5BrMEyda4Fm+QCza2 vsAIA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Signed-off-by: Christian Brauner --- drivers/dma-buf/dma-buf.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index 2bcf9ceca997..800c2255df06 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -768,18 +768,15 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_export, "DMA_BUF"); */ int dma_buf_fd(struct dma_buf *dmabuf, int flags) { - int fd; - if (!dmabuf || !dmabuf->file) return -EINVAL; - fd = get_unused_fd_flags(flags); - if (fd < 0) - return fd; + FD_PREPARE(fdf, flags, dmabuf->file) { + if (fd_prepare_failed(fdf)) + return fd_prepare_error(fdf); - fd_install(fd, dmabuf->file); - - return fd; + return fd_publish(fdf); + } } EXPORT_SYMBOL_NS_GPL(dma_buf_fd, "DMA_BUF"); -- 2.47.3