diff options
Diffstat (limited to 'fs/notify/inotify/inotify_user.c')
| -rw-r--r-- | fs/notify/inotify/inotify_user.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index 5ef5f365a5c8..8271cf05c957 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -646,6 +646,7 @@ SYSCALL_DEFINE1(inotify_init1, int, flags) struct fsnotify_group *group; struct user_struct *user; struct file *filp; + struct path path; int fd, ret; /* Check the IN_* constants for consistency. */ @@ -659,12 +660,6 @@ SYSCALL_DEFINE1(inotify_init1, int, flags) if (fd < 0) return fd; - filp = get_empty_filp(); - if (!filp) { - ret = -ENFILE; - goto out_put_fd; - } - user = get_current_user(); if (unlikely(atomic_read(&user->inotify_devs) >= inotify_max_user_instances)) { @@ -679,24 +674,28 @@ SYSCALL_DEFINE1(inotify_init1, int, flags) goto out_free_uid; } - filp->f_op = &inotify_fops; - filp->f_path.mnt = mntget(inotify_mnt); - filp->f_path.dentry = dget(inotify_mnt->mnt_root); - filp->f_mapping = filp->f_path.dentry->d_inode->i_mapping; - filp->f_mode = FMODE_READ; + atomic_inc(&user->inotify_devs); + + path.mnt = inotify_mnt; + path.dentry = inotify_mnt->mnt_root; + path_get(&path); + filp = alloc_file(&path, FMODE_READ, &inotify_fops); + if (!filp) + goto Enfile; + filp->f_flags = O_RDONLY | (flags & O_NONBLOCK); filp->private_data = group; - atomic_inc(&user->inotify_devs); - fd_install(fd, filp); return fd; +Enfile: + ret = -ENFILE; + path_put(&path); + atomic_dec(&user->inotify_devs); out_free_uid: free_uid(user); - put_filp(filp); -out_put_fd: put_unused_fd(fd); return ret; } |