@@ -583,7 +583,11 @@ iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
mvm->bt_force_ant_mode = bt_force_ant_mode;
IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
modes_str[mvm->bt_force_ant_mode]);
- ret = iwl_send_bt_init_conf(mvm);
+
+ if (iwl_mvm_firmware_running(mvm))
+ ret = iwl_send_bt_init_conf(mvm);
+ else
+ ret = 0;
out:
mutex_unlock(&mvm->mutex);
@@ -800,6 +804,9 @@ static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
{
int __maybe_unused ret;
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+
mutex_lock(&mvm->mutex);
/* allow one more restart that we're provoking here */
@@ -817,7 +824,12 @@ static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
size_t count, loff_t *ppos)
{
- int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
+ int ret;
+
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+
+ ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
if (ret)
return ret;
@@ -857,6 +869,9 @@ iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
{
u8 scan_rx_ant;
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+
if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
return -EINVAL;
if (scan_rx_ant > ANT_ABC)
@@ -911,7 +926,11 @@ static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
mutex_lock(&mvm->mutex);
- ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
+ if (iwl_mvm_firmware_running(mvm))
+ ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
+ sizeof(cmd), &cmd);
+ else
+ ret = 0;
mutex_unlock(&mvm->mutex);
return ret ?: count;
@@ -931,6 +950,9 @@ static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
int bin_len = count / 2;
int ret = -EINVAL;
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+
/* supporting only 9000 descriptor */
if (!mvm->trans->cfg->mq_rx_supported)
return -ENOTSUPP;
@@ -1004,6 +1026,9 @@ static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm,
struct iwl_continuous_record_cmd cont_rec = {};
int ret, rec_mode;
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+
if (!dest)
return -EOPNOTSUPP;
@@ -1034,6 +1059,9 @@ static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
unsigned int conf_id;
int ret;
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+
ret = kstrtouint(buf, 0, &conf_id);
if (ret)
return ret;
@@ -1052,8 +1080,12 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
char *buf, size_t count,
loff_t *ppos)
{
- int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
+ int ret;
+
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+ ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
if (ret)
return ret;
if (count == 0)
@@ -1184,7 +1216,8 @@ static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf,
&filter, sizeof(filter));
/* send updated bcast filtering configuration */
- if (mvm->dbgfs_bcast_filtering.override &&
+ if (iwl_mvm_firmware_running(mvm) &&
+ mvm->dbgfs_bcast_filtering.override &&
iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
sizeof(cmd), &cmd);
@@ -1256,7 +1289,8 @@ static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm,
&mac, sizeof(mac));
/* send updated bcast filtering configuration */
- if (mvm->dbgfs_bcast_filtering.override &&
+ if (iwl_mvm_firmware_running(mvm) &&
+ mvm->dbgfs_bcast_filtering.override &&
iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
sizeof(cmd), &cmd);
@@ -1473,6 +1507,9 @@ iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
{
int ret;
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+
mutex_lock(&mvm->mutex);
ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
mutex_unlock(&mvm->mutex);
@@ -1534,6 +1571,9 @@ static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
size_t delta;
ssize_t ret, len;
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+
hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
DEBUG_GROUP, 0);
cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
@@ -1586,6 +1626,9 @@ static ssize_t iwl_dbgfs_mem_write(struct file *file,
u32 op, len;
ssize_t ret;
+ if (!iwl_mvm_firmware_running(mvm))
+ return -EIO;
+
hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR,
DEBUG_GROUP, 0);