cifs: Fix non-availability of dedup breaking generic/304

[platform/kernel/linux-starfive.git] / fs / smb / client / cifsfs.c

diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c
index 33ea144..bbd6089 100644 (file)
--- a/fs/smb/client/cifsfs.c
+++ b/fs/smb/client/cifsfs.c
@@ -1203,7 +1203,9 @@ static loff_t cifs_remap_file_range(struct file *src_file, loff_t off,
        unsigned int xid;
        int rc;
 
-       if (remap_flags & ~(REMAP_FILE_DEDUP | REMAP_FILE_ADVISORY))
+       if (remap_flags & REMAP_FILE_DEDUP)
+               return -EOPNOTSUPP;
+       if (remap_flags & ~REMAP_FILE_ADVISORY)
                return -EINVAL;
 
        cifs_dbg(FYI, "clone range\n");