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wifi: mt76: mt7925: fix country count limitation for CLC

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Due to the increase in the number of power tables for 6Ghz on CLC,
the variable nr_country is no longer sufficient to represent the
total quantity. Therefore, we have switched to calculating the
length of clc buf to obtain the correct power table.

Cc: stable@vger.kernel.org
Fixes: c948b5da6b ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips")
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Link: https://patch.msgid.link/20250116062131.3860198-1-mingyen.hsieh@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Ming Yen Hsieh
2025-01-16 14:21:31 +08:00
committed by Felix Fietkau
parent 8ae45b1f69
commit 6458d760a0
1 changed files with 3 additions and 2 deletions
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5
drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
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@@ -3164,13 +3164,14 @@ __mt7925_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
.acpi_conf = mt792x_acpi_get_flags(&dev->phy),
};
int ret, valid_cnt = 0;
u8 i, *pos;
u8 *pos, *last_pos;
if (!clc)
return 0;
pos = clc->data + sizeof(*seg) * clc->nr_seg;
for (i = 0; i < clc->nr_country; i++) {
last_pos = clc->data + le32_to_cpu(*(__le32 *)(clc->data + 4));
while (pos < last_pos) {
struct mt7925_clc_rule *rule = (struct mt7925_clc_rule *)pos;
pos += sizeof(*rule);