1 files changed, 12 insertions, 5 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 249f1d7021d4..75125d2021f5 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1641,6 +1641,7 @@ int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password,
 	struct ql4_chap_table *chap_table;
 	uint32_t chap_size = 0;
 	dma_addr_t chap_dma;
+	ssize_t secret_len;
 
 	chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
 	if (chap_table == NULL) {
@@ -1652,9 +1653,13 @@ int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password,
 		chap_table->flags |= BIT_6; /* peer */
 	else
 		chap_table->flags |= BIT_7; /* local */
-	chap_table->secret_len = strlen(password);
-	strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN - 1);
-	strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN - 1);
+
+	secret_len = strscpy(chap_table->secret, password,
+			     sizeof(chap_table->secret));
+	if (secret_len < MIN_CHAP_SECRET_LEN)
+		goto cleanup_chap_table;
+	chap_table->secret_len = (uint8_t)secret_len;
+	strscpy(chap_table->name, username, sizeof(chap_table->name));
 	chap_table->cookie = cpu_to_le16(CHAP_VALID_COOKIE);
 
 	if (is_qla40XX(ha)) {
@@ -1679,6 +1684,8 @@ int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password,
 		memcpy((struct ql4_chap_table *)ha->chap_list + idx,
 		       chap_table, sizeof(struct ql4_chap_table));
 	}
+
+cleanup_chap_table:
 	dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
 	if (rval != QLA_SUCCESS)
 		ret =  -EINVAL;
@@ -2281,8 +2288,8 @@ int qla4_8xxx_set_param(struct scsi_qla_host *ha, int param)
 	mbox_cmd[0] = MBOX_CMD_SET_PARAM;
 	if (param == SET_DRVR_VERSION) {
 		mbox_cmd[1] = SET_DRVR_VERSION;
-		strncpy((char *)&mbox_cmd[2], QLA4XXX_DRIVER_VERSION,
-			MAX_DRVR_VER_LEN - 1);
+		strscpy((char *)&mbox_cmd[2], QLA4XXX_DRIVER_VERSION,
+			MAX_DRVR_VER_LEN);
 	} else {
 		ql4_printk(KERN_ERR, ha, "%s: invalid parameter 0x%x\n",
 			   __func__, param);