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path: root/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/d3.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/d3.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index b4d650583ac2..49a6aff42376 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -3439,6 +3439,16 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
mutex_lock(&mvm->mutex);
+ /* Apparently, the device went away and device_powered_off() was called,
+ * don't even try to read the rt_status, the device is currently
+ * inaccessible.
+ */
+ if (!test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) {
+ IWL_INFO(mvm,
+ "Can't resume, device_powered_off() was called during wowlan\n");
+ goto err;
+ }
+
mvm->last_reset_or_resume_time_jiffies = jiffies;
/* get the BSS vif pointer again */
@@ -3758,7 +3768,6 @@ static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file)
}
const struct file_operations iwl_dbgfs_d3_test_ops = {
- .llseek = no_llseek,
.open = iwl_mvm_d3_test_open,
.read = iwl_mvm_d3_test_read,
.release = iwl_mvm_d3_test_release,