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path: root/drivers/scsi/qla4xxx/ql4_mbx.c
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Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_mbx.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c73
1 files changed, 39 insertions, 34 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 02636b4785c5..7febc0baa9d6 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* QLogic iSCSI HBA Driver
* Copyright (c) 2003-2013 QLogic Corporation
- *
- * See LICENSE.qla4xxx for copyright and licensing details.
*/
#include <linux/ctype.h>
@@ -45,9 +44,9 @@ void qla4xxx_process_mbox_intr(struct scsi_qla_host *ha, int out_count)
}
/**
- * qla4xxx_is_intr_poll_mode – Are we allowed to poll for interrupts?
+ * qla4xxx_is_intr_poll_mode - Are we allowed to poll for interrupts?
* @ha: Pointer to host adapter structure.
- * @ret: 1=polling mode, 0=non-polling mode
+ * returns: 1=polling mode, 0=non-polling mode
**/
static int qla4xxx_is_intr_poll_mode(struct scsi_qla_host *ha)
{
@@ -646,8 +645,8 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
/* Fill in the request and response queue information. */
init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
- init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
- init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
+ init_fw_cb->rqq_len = cpu_to_le16(REQUEST_QUEUE_DEPTH);
+ init_fw_cb->compq_len = cpu_to_le16(RESPONSE_QUEUE_DEPTH);
init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
@@ -657,20 +656,20 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
/* Set up required options. */
init_fw_cb->fw_options |=
- __constant_cpu_to_le16(FWOPT_SESSION_MODE |
- FWOPT_INITIATOR_MODE);
+ cpu_to_le16(FWOPT_SESSION_MODE |
+ FWOPT_INITIATOR_MODE);
if (is_qla80XX(ha))
init_fw_cb->fw_options |=
- __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB);
+ cpu_to_le16(FWOPT_ENABLE_CRBDB);
- init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
+ init_fw_cb->fw_options &= cpu_to_le16(~FWOPT_TARGET_MODE);
init_fw_cb->add_fw_options = 0;
init_fw_cb->add_fw_options |=
- __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
+ cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
init_fw_cb->add_fw_options |=
- __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
+ cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
!= QLA_SUCCESS) {
@@ -810,7 +809,7 @@ int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
return QLA_SUCCESS;
}
-/**
+/*
* qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
* @ha: Pointer to host adapter structure.
* @fw_ddb_index: Firmware's device database index
@@ -934,7 +933,7 @@ int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
}
/**
- * qla4xxx_set_fwddb_entry - sets a ddb entry.
+ * qla4xxx_set_ddb_entry - sets a ddb entry.
* @ha: Pointer to host adapter structure.
* @fw_ddb_index: Firmware's device database index
* @fw_ddb_entry_dma: dma address of ddb entry
@@ -1017,7 +1016,7 @@ void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
uint32_t crash_record_size = 0;
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
- memset(&mbox_sts, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
/* Get size of crash record. */
mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
@@ -1100,7 +1099,7 @@ void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
/* Get Crash Record. */
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
- memset(&mbox_sts, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
mbox_cmd[2] = LSDW(event_log_dma);
@@ -1259,8 +1258,7 @@ int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
/**
* qla4xxx_reset_target - issues target Reset
* @ha: Pointer to host adapter structure.
- * @db_entry: Pointer to device database entry
- * @un_entry: Pointer to lun entry structure
+ * @ddb_entry: Pointer to device database entry
*
* This routine performs a TARGET RESET on the specified target.
* The caller must ensure that the ddb_entry pointers
@@ -1613,9 +1611,9 @@ int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
goto exit_get_chap;
}
- strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
- strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
- chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
+ strscpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
+ strscpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
+ chap_table->cookie = cpu_to_le16(CHAP_VALID_COOKIE);
exit_get_chap:
dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
@@ -1643,6 +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) {
@@ -1654,10 +1653,14 @@ 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);
- chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
+
+ 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)) {
chap_size = MAX_CHAP_ENTRIES_40XX * sizeof(*chap_table);
@@ -1681,6 +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;
@@ -1723,7 +1728,7 @@ int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username,
mutex_lock(&ha->chap_sem);
chap_table = (struct ql4_chap_table *)ha->chap_list + chap_index;
- if (chap_table->cookie != __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ if (chap_table->cookie != cpu_to_le16(CHAP_VALID_COOKIE)) {
rval = QLA_ERROR;
goto exit_unlock_uni_chap;
}
@@ -1734,8 +1739,8 @@ int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username,
goto exit_unlock_uni_chap;
}
- strlcpy(password, chap_table->secret, MAX_CHAP_SECRET_LEN);
- strlcpy(username, chap_table->name, MAX_CHAP_NAME_LEN);
+ strscpy(password, chap_table->secret, MAX_CHAP_SECRET_LEN);
+ strscpy(username, chap_table->name, MAX_CHAP_NAME_LEN);
rval = QLA_SUCCESS;
@@ -1786,7 +1791,7 @@ int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
for (i = 0; i < max_chap_entries; i++) {
chap_table = (struct ql4_chap_table *)ha->chap_list + i;
if (chap_table->cookie !=
- __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+ cpu_to_le16(CHAP_VALID_COOKIE)) {
if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
free_index = i;
continue;
@@ -2107,18 +2112,18 @@ int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
if (conn->max_recv_dlength)
fw_ddb_entry->iscsi_max_rcv_data_seg_len =
- __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
+ cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
if (sess->max_r2t)
fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
if (sess->first_burst)
fw_ddb_entry->iscsi_first_burst_len =
- __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
+ cpu_to_le16((sess->first_burst / BYTE_UNITS));
if (sess->max_burst)
fw_ddb_entry->iscsi_max_burst_len =
- __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
+ cpu_to_le16((sess->max_burst / BYTE_UNITS));
if (sess->time2wait)
fw_ddb_entry->iscsi_def_time2wait =
@@ -2283,8 +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);