ath9k: off by one in ath9k_hw_nvram_read_array()

commit b7dcf68f upstream.

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

Fixes: ab5c4f71 ("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

@@ -118,7 +118,7 @@ static bool ath9k_hw_nvram_read_blob(struct ath_hw *ah, u32 off,
 {
 	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;