debugfs: fix "set_bg <bg num> checksum calc" on 64-bit file systems

Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/debugfs/set_fields.c b/debugfs/set_fields.c
index 458bc47..8a4c6a8 100644 (file)
--- a/debugfs/set_fields.c
+++ b/debugfs/set_fields.c
@@ -653,18 +653,13 @@ static errcode_t parse_bmap(struct field_set_info *info,
 static errcode_t parse_gd_csum(struct field_set_info *info, char *field,
                               char *arg)
 {
+       __u16 *checksum = info->ptr;
 
        if (strcmp(arg, "calc") == 0) {
-               ext2fs_group_desc_csum_set(current_fs, set_bg);
-               memcpy(&set_gd, ext2fs_group_desc(current_fs,
-                                       current_fs->group_desc,
-                                       set_bg),
-                       sizeof(set_gd));
-               printf("Checksum set to 0x%04x\n",
-                      ext2fs_bg_checksum(current_fs, set_bg));
+               *checksum = ext2fs_group_desc_csum(current_fs, set_bg);
+               printf("Checksum set to 0x%04x\n", *checksum);
                return 0;
        }
-
        return parse_uint(info, field, arg);
 }