AuxXxilium/linux_dsm_epyc7002
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iwlagn: block regular host commands if driver don't own uCode

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The only host command allow to send to uCode is the one initiated from
testmode if testmode is the owner of uCode

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2011-07-08 08:46:27 -07:00 committed by John W. Linville
parent e98a1939a2
commit eedb6e357a
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wireless/iwlwifi/iwl-tx.c
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@ -328,6 +328,12 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
return -EIO;
}
if ((priv->ucode_owner == IWL_OWNERSHIP_TM) &&
!(cmd->flags & CMD_ON_DEMAND)) {
IWL_DEBUG_HC(priv, "tm own the uCode, no regular hcmd send\n");
return -EIO;
}
copy_size = sizeof(out_cmd->hdr);
cmd_size = sizeof(out_cmd->hdr);