wifi: mt76: mt7925: fix off by one in mt7925_load_clc()

This comparison should be >= instead of > to prevent an out of bounds
read and write.

Fixes: 9679ca7326e5 ("wifi: mt76: mt7925: fix a potential array-index-out-of-bounds issue for clc")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/84bf5dd2-2fe3-4410-a7af-ae841e41082a@stanley.mountain
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
index 748ea6adbc6b3910ccde5b623b410ca7f1548518..0c2a2337c313db5a42dbacacba77779877c0e356 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c
@@ -638,7 +638,7 @@ static int mt7925_load_clc(struct mt792x_dev *dev, const char *fw_name)
        for (offset = 0; offset < len; offset += le32_to_cpu(clc->len)) {
                clc = (const struct mt7925_clc *)(clc_base + offset);
 
-               if (clc->idx > ARRAY_SIZE(phy->clc))
+               if (clc->idx >= ARRAY_SIZE(phy->clc))
                        break;
 
                /* do not init buf again if chip reset triggered */