[PATCH 3.16 065/134] ath9k: off by one in ath9k_hw_nvram_read_array()

Ben Hutchings
2017-08-18T13:13:20Z

From: Dan Carpenter <dan.carpenter@oracle.com>

commit b7dcf68f383a05567bd16a390907b67022a62d3d upstream.

The > should be >= or we read one space beyond the end of the array.

Fixes: ab5c4f71d8c7 ("ath9k: allow to load EEPROM content via firmware API")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/net/wireless/ath/ath9k/eeprom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -118,7 +118,7 @@ static bool ath9k_hw_nvram_read_blob(str
{
u16 *blob_data;

- if (off * sizeof(u16) > ah->eeprom_blob->size)
+ if (off * sizeof(u16) >= ah->eeprom_blob->size)
return false;

blob_data = (u16 *)ah->eeprom_blob->data;