mt76: mt7921: fix a precision vs width bug in printk

Precision %.*s was intended instead of width %*s.  The original code
is potentially an information leak.

Fixes: c7cc5ec57303 ("mt76: mt7921: rework mt7921_mcu_debug_msg_event routine")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 43e3bf8..78bd965 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -502,7 +502,7 @@ mt7921_mcu_debug_msg_event(struct mt7921_dev *dev, struct sk_buff *skb)
                        if (!msg->content[i])
                                msg->content[i] = ' ';
                }
-               wiphy_info(mt76_hw(dev)->wiphy, "%*s", len, msg->content);
+               wiphy_info(mt76_hw(dev)->wiphy, "%.*s", len, msg->content);
        }
 }