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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-08 08:28:26 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-08 08:28:26 -0300 |
| commit | f19866e5cb04f8f007cb422132ea4611cdacc8e3 (patch) | |
| tree | ee8d9b12a8ec6335ed76b3c58ba0f3e1fea7616e /fs/cifs | |
| parent | a700f2d8e79ff80041078f160fe1edccf89b0c66 (diff) | |
Linux-libre 4.2.3-gnupck-4.2.3-gnu
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/ioctl.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 49b8b6e41..c7b84f3bf 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -70,6 +70,12 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file, goto out_drop_write; } + if (src_file.file->f_op->unlocked_ioctl != cifs_ioctl) { + rc = -EBADF; + cifs_dbg(VFS, "src file seems to be from a different filesystem type\n"); + goto out_fput; + } + if ((!src_file.file->private_data) || (!dst_file->private_data)) { rc = -EBADF; cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n"); |