Merge 5.1-rc7 into usb-next

We need this to make the usb-gadget branch merge cleaner.  And for
testing to keep from hitting the same issues already fixed.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 8 insertions, 26 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index f119c49cd39c..d7380016f1c0 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -1614,6 +1614,7 @@ iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt,
 	if (!range) {
 		IWL_ERR(fwrt, "Failed to fill region header: id=%d, type=%d\n",
 			le32_to_cpu(reg->region_id), type);
+		memset(*data, 0, le32_to_cpu((*data)->len));
 		return;
 	}
 
@@ -1623,6 +1624,7 @@ iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt,
 		if (range_size < 0) {
 			IWL_ERR(fwrt, "Failed to dump region: id=%d, type=%d\n",
 				le32_to_cpu(reg->region_id), type);
+			memset(*data, 0, le32_to_cpu((*data)->len));
 			return;
 		}
 		range = range + range_size;
@@ -1807,12 +1809,12 @@ _iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt,
 
 	trigger = fwrt->dump.active_trigs[id].trig;
 
-	size = sizeof(*dump_file);
-	size += iwl_fw_ini_get_trigger_len(fwrt, trigger);
-
+	size = iwl_fw_ini_get_trigger_len(fwrt, trigger);
 	if (!size)
 		return NULL;
 
+	size += sizeof(*dump_file);
+
 	dump_file = vzalloc(size);
 	if (!dump_file)
 		return NULL;
@@ -1942,14 +1944,10 @@ int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt,
 	iwl_dump_error_desc->len = 0;
 
 	ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc, false, 0);
-	if (ret) {
+	if (ret)
 		kfree(iwl_dump_error_desc);
-	} else {
-		set_bit(STATUS_FW_WAIT_DUMP, &fwrt->trans->status);
-
-		/* trigger nmi to halt the fw */
-		iwl_force_nmi(fwrt->trans);
-	}
+	else
+		iwl_trans_sync_nmi(fwrt->trans);
 
 	return ret;
 }
@@ -2489,22 +2487,6 @@ IWL_EXPORT_SYMBOL(iwl_fw_dbg_apply_point);
 
 void iwl_fwrt_stop_device(struct iwl_fw_runtime *fwrt)
 {
-	/* if the wait event timeout elapses instead of wake up then
-	 * the driver did not receive NMI interrupt and can not assume the FW
-	 * is halted
-	 */
-	int ret = wait_event_timeout(fwrt->trans->fw_halt_waitq,
-				     !test_bit(STATUS_FW_WAIT_DUMP,
-					       &fwrt->trans->status),
-				     msecs_to_jiffies(2000));
-	if (!ret) {
-		/* failed to receive NMI interrupt, assuming the FW is stuck */
-		set_bit(STATUS_FW_ERROR, &fwrt->trans->status);
-
-		clear_bit(STATUS_FW_WAIT_DUMP, &fwrt->trans->status);
-	}
-
-	/* Assuming the op mode mutex is held at this point */
 	iwl_fw_dbg_collect_sync(fwrt);
 
 	iwl_trans_stop_device(fwrt->trans);