ath9k: return false when reading wrong eeprom offset

Just setting the proper return for reading beyond the eeprom data.

Signed-off-by: Eduardo Abinader <eduardo.abinader@riverbed.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 7cdaf40..aa04b13 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -794,6 +794,8 @@
 			ath_err(common,
 				"%s: eeprom read failed, offset %08x is out of range\n",
 				__func__, off);
+
+			return false;
 		}
 
 		*data = pdata->eeprom_data[off];