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Wed, 21 Apr 2021 06:16:16 -0700 Date: Wed, 21 Apr 2021 16:16:06 +0300 From: Dan Carpenter To: Felix Fietkau , Lorenzo Bianconi Cc: Ryder Lee , Kalle Valo , Matthias Brugger , Sean Wang , Soul Huang , linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org, kernel-janitors@vger.kernel.org Subject: [PATCH 3/3] mt76: mt7921: fix a precision vs width bug in printk Message-ID: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email haha only kidding X-Proofpoint-ORIG-GUID: j18SJFENXvV2rrmHVmlUHHQO5zv-r5Dv X-Proofpoint-GUID: j18SJFENXvV2rrmHVmlUHHQO5zv-r5Dv X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210421_061623_820834_F6234D84 X-CRM114-Status: GOOD ( 14.98 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org 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 --- drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index aa55667b6ed7..45ad2c337d41 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -500,7 +500,7 @@ 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); } }