[ath5k] Avoid returning uninitialised data on EEPROM read errors

Originally-implemented-by: Bernhard M. Wiedemann <bwiedemann@suse.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/drivers/net/ath/ath5k/ath5k_eeprom.c b/src/drivers/net/ath/ath5k/ath5k_eeprom.c
index 12519bc599fb7d4757da43a6bcc22f170024eabc..46f33d1e8fb5d6cf68023aa1cf3db3e040ccf0a4 100644 (file)
--- a/src/drivers/net/ath/ath5k/ath5k_eeprom.c
+++ b/src/drivers/net/ath/ath5k/ath5k_eeprom.c
@@ -39,6 +39,9 @@ static int ath5k_hw_eeprom_read(struct ath5k_hw *ah, u32 offset, u16 *data)
 {
        u32 status, timeout;
 
+       /* Avoid returning uninitialised data on error */
+       *data = 0xffff;
+
        /*
         * Initialize EEPROM access
         */