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[14/26] iwlwifi: pcie: claim ownership on the device after stop_device()

Message ID 1417543877-24193-14-git-send-email-egrumbach@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Emmanuel Grumbach Dec. 2, 2014, 6:11 p.m. UTC 
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

Not doing so would allow other possible users of the device
to take ownership and prevent normal WiFi operation.

This fixes the second part of:
https://bugzilla.kernel.org/show_bug.cgi?id=87191

Reviewed-by: Moshe Harel <moshe.harel@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/pcie/trans.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index a3b63b7..7d7f05e 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -994,6 +994,9 @@  static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
 		clear_bit(STATUS_RFKILL, &trans->status);
 	if (hw_rfkill != was_hw_rfkill)
 		iwl_trans_pcie_rf_kill(trans, hw_rfkill);
+
+	/* re-take ownership to prevent other users from stealing the deivce */
+	iwl_pcie_prepare_card_hw(trans);
 }
 
 void iwl_trans_pcie_rf_kill(struct iwl_trans *trans, bool state)