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vfio: convert vfio_group_ioctl_get_device_fd() to FD_ADD() 

Link: https://patch.msgid.link/20251123-work-fd-prepare-v4-43-b6efa1706cfd@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2025-11-23 17:34:01 +01:00
parent 3fd5edfe1d
commit 5f3ea1c201
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 5 additions and 23 deletions
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28
drivers/vfio/group.c
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@ -299,10 +299,8 @@ static int vfio_group_ioctl_get_device_fd(struct vfio_group *group,
char __user *arg) char __user *arg)
{ {
struct vfio_device *device; struct vfio_device *device;
struct file *filep;
char *buf; char *buf;
int fdno; int fd;
int ret;
buf = strndup_user(arg, PAGE_SIZE); buf = strndup_user(arg, PAGE_SIZE);
if (IS_ERR(buf)) if (IS_ERR(buf))
@ -313,26 +311,10 @@ static int vfio_group_ioctl_get_device_fd(struct vfio_group *group,
if (IS_ERR(device)) if (IS_ERR(device))
return PTR_ERR(device); return PTR_ERR(device);
fdno = get_unused_fd_flags(O_CLOEXEC); fd = FD_ADD(O_CLOEXEC, vfio_device_open_file(device));
if (fdno < 0) { if (fd < 0)
ret = fdno; vfio_device_put_registration(device);
goto err_put_device; return fd;
}
filep = vfio_device_open_file(device);
if (IS_ERR(filep)) {
ret = PTR_ERR(filep);
goto err_put_fdno;
}
fd_install(fdno, filep);
return fdno;
err_put_fdno:
put_unused_fd(fdno);
err_put_device:
vfio_device_put_registration(device);
return ret;
} }
static int vfio_group_ioctl_get_status(struct vfio_group *group, static int vfio_group_ioctl_get_status(struct vfio_group *group,