From 26625be252bdbd23ef28bac34c7dd61800d1dee9 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 21 Apr 2021 16:14:40 +0300 Subject: [PATCH] mt76: mt7615: fix a precision vs width bug in printk Precision "%.*s" was intended instead of width "%*s". The original code will print garbage from beyond the end of the skb->data. Fixes: d6c55c5fe39f ("mt76: mt7615: limit firmware log message printk to buffer length") Signed-off-by: Dan Carpenter Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index 3c1528ed21108..aa42af9ebfd6a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -453,7 +453,7 @@ mt7615_mcu_rx_log_message(struct mt7615_dev *dev, struct sk_buff *skb) break; } - wiphy_info(mt76_hw(dev)->wiphy, "%s: %*s", type, + wiphy_info(mt76_hw(dev)->wiphy, "%s: %.*s", type, (int)(skb->len - sizeof(*rxd)), data); } -- 2.39.5