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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2010-12-08 15:34:52 -0800
committerWey-Yi Guy <wey-yi.w.guy@intel.com>2010-12-13 15:53:38 -0800
commitf21dd005df95e0fc6a578342c61b5333ce2abc2b (patch)
tree25410d4db56ab4e39443576269a364cb8c91a598 /drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
parent50619ac9ba48f5ab0c6bcfa10f5d50e4115cdca8 (diff)
iwlwifi: keep track of bt coex enable/disable stage
For debugging purpose, keep track of the bt coex enable/disable state. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
index a358d4334a1..a6dbd8983da 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
@@ -856,6 +856,9 @@ ssize_t iwl_ucode_bt_stats_read(struct file *file,
if (!iwl_is_alive(priv))
return -EAGAIN;
+ if (!priv->bt_enable_flag)
+ return -EINVAL;
+
/* make request to uCode to retrieve statistics information */
mutex_lock(&priv->mutex);
ret = iwl_send_statistics_request(priv, CMD_SYNC, false);