diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /fs/cifs/ioctl.c | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'fs/cifs/ioctl.c')
-rw-r--r-- | fs/cifs/ioctl.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 28a77bf1d..35cf990f8 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -85,9 +85,14 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file, src_tcon = tlink_tcon(smb_file_src->tlink); target_tcon = tlink_tcon(smb_file_target->tlink); - /* check if source and target are on same tree connection */ - if (src_tcon != target_tcon) { - cifs_dbg(VFS, "file copy src and target on different volume\n"); + /* check source and target on same server (or volume if dup_extents) */ + if (dup_extents && (src_tcon != target_tcon)) { + cifs_dbg(VFS, "source and target of copy not on same share\n"); + goto out_fput; + } + + if (!dup_extents && (src_tcon->ses != target_tcon->ses)) { + cifs_dbg(VFS, "source and target of copy not on same server\n"); goto out_fput; } |