From ac0e541ab2f2951845acee784ef487be40fb4c77 Mon Sep 17 00:00:00 2001
From: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Date: Wed, 31 Oct 2018 10:52:17 +0200
Subject: [PATCH] wil6210: add general initialization/size checks
Git-commit: ac0e541ab2f2951845acee784ef487be40fb4c77
Patch-mainline: v5.0-rc1
References: bsc#1111666

Initialize unset variable, and verify that mid is valid.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/net/wireless/ath/wil6210/debugfs.c | 2 ++
 drivers/net/wireless/ath/wil6210/wmi.c     | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index aa50813a0595..099a04b91551 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -962,6 +962,8 @@ static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
 	int rc;
 	void *frame;
 
+	memset(&params, 0, sizeof(params));
+
 	if (!len)
 		return -EINVAL;
 
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index fa08a9637f44..f46c703ca570 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -3148,7 +3148,7 @@ static void wmi_event_handle(struct wil6210_priv *wil,
 
 		if (mid == MID_BROADCAST)
 			mid = 0;
-		if (mid >= wil->max_vifs) {
+		if (mid >= ARRAY_SIZE(wil->vifs) || mid >= wil->max_vifs) {
 			wil_dbg_wmi(wil, "invalid mid %d, event skipped\n",
 				    mid);
 			return;
-- 
2.16.4