btrfs-progs: send: remove unnecessary code

Some unnecessary codes are deleted.

 - the setting of subvol is duplicated
 - read only check was already done by the previous loop

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/cmds-send.c b/cmds-send.c
index 74d0128..dfdfe01 100644 (file)
--- a/cmds-send.c
+++ b/cmds-send.c
@@ -564,8 +564,6 @@ int cmd_send(int argc, char **argv)
        }
 
        /* use first send subvol to determine mount_root */
-       subvol = argv[optind];
-
        subvol = realpath(argv[optind], NULL);
        if (!subvol) {
                ret = -errno;
@@ -661,15 +659,6 @@ int cmd_send(int argc, char **argv)
                        }
                }
 
-               ret = is_subvol_ro(&send, subvol);
-               if (ret < 0)
-                       goto out;
-               if (!ret) {
-                       ret = -EINVAL;
-                       error("subvolume %s is not read-only", subvol);
-                       goto out;
-               }
-
                if (new_end_cmd_semantic) {
                        /* require new kernel */
                        is_first_subvol = (i == optind);