diff options
Diffstat (limited to 'fs/file.c')
| -rw-r--r-- | fs/file.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/file.c b/fs/file.c index 4eb026631673..1a475d7d636e 100644 --- a/fs/file.c +++ b/fs/file.c @@ -604,6 +604,9 @@ void fd_install(unsigned int fd, struct file *file) struct files_struct *files = current->files; struct fdtable *fdt; + if (WARN_ON_ONCE(unlikely(file->f_mode & FMODE_BACKING))) + return; + rcu_read_lock_sched(); if (unlikely(files->resize_in_progress)) { |