s390/hmcdrv: use strscpy() instead of strlcpy()

Given that strlcpy() is deprecated use strscpy() instead.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

drivers/s390/char/diag_ftp.c

@@ -159,8 +159,8 @@ ssize_t diag_ftp_cmd(const struct hmcdrv_ftp_cmdspec *ftp, size_t *fsize)
 		goto out;
 	}
 
-	len = strlcpy(ldfpl->fident, ftp->fname, sizeof(ldfpl->fident));
-	if (len >= HMCDRV_FTP_FIDENT_MAX) {
+	len = strscpy(ldfpl->fident, ftp->fname, sizeof(ldfpl->fident));
+	if (len < 0) {
 		len = -EINVAL;
 		goto out_free;
 	}

drivers/s390/char/sclp_ftp.c

@@ -90,7 +90,7 @@ static int sclp_ftp_et7(const struct hmcdrv_ftp_cmdspec *ftp)
 	struct completion completion;
 	struct sclp_diag_sccb *sccb;
 	struct sclp_req *req;
-	size_t len;
+	ssize_t len;
 	int rc;
 
 	req = kzalloc(sizeof(*req), GFP_KERNEL);
@@ -117,9 +117,9 @@ static int sclp_ftp_et7(const struct hmcdrv_ftp_cmdspec *ftp)
 	sccb->evbuf.mdd.ftp.length = ftp->len;
 	sccb->evbuf.mdd.ftp.bufaddr = virt_to_phys(ftp->buf);
 
-	len = strlcpy(sccb->evbuf.mdd.ftp.fident, ftp->fname,
+	len = strscpy(sccb->evbuf.mdd.ftp.fident, ftp->fname,
 		      HMCDRV_FTP_FIDENT_MAX);
-	if (len >= HMCDRV_FTP_FIDENT_MAX) {
+	if (len < 0) {
 		rc = -EINVAL;
 		goto out_free;
 	}