]> git.kernelconcepts.de Git - karo-tx-linux.git/commitdiff
iwlwifi: mvm: wake up d0i3_exit_waitq when aborting d0i3
authorEliad Peller <eliad@wizery.com>
Sun, 9 Nov 2014 13:25:33 +0000 (15:25 +0200)
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Tue, 11 Nov 2014 15:15:10 +0000 (17:15 +0200)
When aborting d0i3 due to taken refs, other threads might
already wait on d0i3_exit_waitq for IWL_MVM_STATUS_IN_D0I3
to get cleared (it's somewhat likely, as synchronize_rcu()
might take a while), so make sure to wake them up.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
drivers/net/wireless/iwlwifi/mvm/ops.c

index 737aac32a73df91915c4133b482eb0ab634787ff..8664f617f6e78177edb4200cccadac7be7c6c16d 100644 (file)
@@ -1052,6 +1052,7 @@ static int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
        if (iwl_mvm_ref_taken(mvm)) {
                IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n");
                clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
+               wake_up(&mvm->d0i3_exit_waitq);
                return 1;
        }