From 3924715ffe5e064a85f56490f77b7b2084230800 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 25 Jun 2021 17:58:54 +0300
Subject: [PATCH] mt76: mt7915: fix info leak in mt7915_mcu_set_pre_cal()
Git-commit: 3924715ffe5e064a85f56490f77b7b2084230800
Patch-mainline: v5.16-rc1
References: git-fixes stable-5.14.19
Zero out all the unused members of "req" so that we don't disclose
stack information.
Fixes: 495184ac91bb ("mt76: mt7915: add support for applying pre-calibration data")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 43960770a9af..dfb6f1755e62 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -3481,7 +3481,7 @@ static int mt7915_mcu_set_pre_cal(struct mt7915_dev *dev, u8 idx,
u8 idx;
u8 rsv[4];
__le32 len;
- } req;
+ } req = {};
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req) + len);
--
2.26.2