diff mbox series

wifi: mt76: mt7925: Fix a potential array out-of-bounds access

Message ID 20241025091647.48613-1-zhangzekun11@huawei.com
State New
Headers show
Series wifi: mt76: mt7925: Fix a potential array out-of-bounds access | expand

Commit Message

Zhang Zekun Oct. 25, 2024, 9:16 a.m. UTC
Fix a potential array-index-out-of bounds access in mt7925_load_clc(),
when the array index equals to the array size.

Fixes: 9679ca7326e5 ("wifi: mt76: mt7925: fix a potential array-index-out-of-bounds issue for clc")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202410250608.Ly4Aj2NI-lkp@intel.com/
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
---
 drivers/net/wireless/mediatek/mt76/mt7925/mcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

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 */