+ if (len < 0) {
+ dev_err(smgr,
+ "Failed to get file length of \'%s\' [e:%s]\n",
+ image, strerror(errno));
+ return -EIO;
+ }
+ if (len == 0) {
+ dev_err(smgr, "Length of file \'%s\' is invalid\n", image);
+ return -EINVAL;
+ }
+ smgr->rsu_length = len;
+