diff options
Diffstat (limited to 'fs/ioctl.c')
| -rw-r--r-- | fs/ioctl.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/ioctl.c b/fs/ioctl.c index c415668c86d4..569db68d02b3 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -15,6 +15,8 @@ #include <linux/writeback.h> #include <linux/buffer_head.h> #include <linux/falloc.h> +#include <linux/sched/signal.h> + #include "internal.h" #include <asm/ioctls.h> @@ -223,7 +225,11 @@ static long ioctl_file_clone(struct file *dst_file, unsigned long srcfd, if (!src_file.file) return -EBADF; - ret = vfs_clone_file_range(src_file.file, off, dst_file, destoff, olen); + ret = -EXDEV; + if (src_file.file->f_path.mnt != dst_file->f_path.mnt) + goto fdput; + ret = do_clone_file_range(src_file.file, off, dst_file, destoff, olen); +fdput: fdput(src_file); return ret; } |