From 6f504cbf108a8e5a1e6e830b2de901fdb4930fdf Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Sun, 23 Nov 2025 17:33:58 +0100 Subject: [PATCH] media: convert media_request_alloc() to FD_PREPARE() Link: https://patch.msgid.link/20251123-work-fd-prepare-v4-40-b6efa1706cfd@kernel.org Signed-off-by: Christian Brauner --- drivers/media/mc/mc-request.c | 34 ++++++++++++---------------------- 1 file changed, 12 insertions(+), 22 deletions(-) diff --git a/drivers/media/mc/mc-request.c b/drivers/media/mc/mc-request.c index f66f728b1b43d..2ac9ac0a740bd 100644 --- a/drivers/media/mc/mc-request.c +++ b/drivers/media/mc/mc-request.c @@ -282,8 +282,6 @@ EXPORT_SYMBOL_GPL(media_request_get_by_fd); int media_request_alloc(struct media_device *mdev, int *alloc_fd) { struct media_request *req; - struct file *filp; - int fd; int ret; /* Either both are NULL or both are non-NULL */ @@ -297,19 +295,6 @@ int media_request_alloc(struct media_device *mdev, int *alloc_fd) if (!req) return -ENOMEM; - fd = get_unused_fd_flags(O_CLOEXEC); - if (fd < 0) { - ret = fd; - goto err_free_req; - } - - filp = anon_inode_getfile("request", &request_fops, NULL, O_CLOEXEC); - if (IS_ERR(filp)) { - ret = PTR_ERR(filp); - goto err_put_fd; - } - - filp->private_data = req; req->mdev = mdev; req->state = MEDIA_REQUEST_STATE_IDLE; req->num_incomplete_objects = 0; @@ -320,19 +305,24 @@ int media_request_alloc(struct media_device *mdev, int *alloc_fd) req->updating_count = 0; req->access_count = 0; - *alloc_fd = fd; + FD_PREPARE(fdf, O_CLOEXEC, + anon_inode_getfile("request", &request_fops, NULL, + O_CLOEXEC)); + if (fdf.err) { + ret = fdf.err; + goto err_free_req; + } + + fd_prepare_file(fdf)->private_data = req; + + *alloc_fd = fd_publish(fdf); snprintf(req->debug_str, sizeof(req->debug_str), "%u:%d", - atomic_inc_return(&mdev->request_id), fd); + atomic_inc_return(&mdev->request_id), *alloc_fd); dev_dbg(mdev->dev, "request: allocated %s\n", req->debug_str); - fd_install(fd, filp); - return 0; -err_put_fd: - put_unused_fd(fd); - err_free_req: if (mdev->ops->req_free) mdev->ops->req_free(req); -- 2.47.3