1 files changed, 1 insertions, 1 deletions

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 217276b8b942..f9b71c12cc9f 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -1008,7 +1008,7 @@ static loff_t cifs_remap_file_range(struct file *src_file, loff_t off,
         unsigned int xid;
         int rc;
 
-        if (remap_flags & ~REMAP_FILE_ADVISORY)
+        if (remap_flags & ~(REMAP_FILE_DEDUP | REMAP_FILE_ADVISORY))
                 return -EINVAL;
 
         cifs_dbg(FYI, "clone range\n");