diff mbox series

[v1,1/4] wifi: mt76: mt7921: fix incorrect type conversion for CLC command

Message ID 20231222085338.4530-2-mingyen.hsieh@mediatek.com (mailing list archive)
State Deferred
Delegated to: Felix Fietkau
Headers show
Series wifi: mt76: mt7921: fix potential issues for mt7921 | expand

Commit Message

Mingyen Hsieh Dec. 22, 2023, 8:53 a.m. UTC 
From: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>

clc->len is defined as 32 bits in length, so it must also be
operated on with 32 bits, not 16 bits.

Fixes: fa6ad88e023d ("wifi: mt76: mt7921: fix country count limitation for CLC")
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312112104.Zkc3QUHr-lkp@intel.com/
---
 drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 5fcee178b698..f1145002c900 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -1271,7 +1271,7 @@  int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
 		.mtcl_conf = mt792x_acpi_get_mtcl_conf(&dev->phy, alpha2),
 	};
 	int ret, valid_cnt = 0;
-	u16 buf_len = 0;
+	u32 buf_len = 0;
 	u8 *pos;
 
 	if (!clc)
@@ -1282,7 +1282,7 @@  int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
 	if (mt76_find_power_limits_node(&dev->mt76))
 		req.cap |= CLC_CAP_DTS_EN;
 
-	buf_len = le16_to_cpu(clc->len) - sizeof(*clc);
+	buf_len = le32_to_cpu(clc->len) - sizeof(*clc);
 	pos = clc->data;
 	while (buf_len > 16) {
 		struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos;