| Message ID | 84bf5dd2-2fe3-4410-a7af-ae841e41082a@stanley.mountain (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [next] wifi: mt76: mt7925: fix off by one in mt7925_load_clc() | expand |
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7925/mcu.c index 748ea6adbc6b..0c2a2337c313 100644 --- 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 */
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> --- drivers/net/wireless/mediatek/mt76/mt7925/mcu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)