[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>
2021-06-04 14:16:44 +01:00 · 2021-06-04 14:16:44 +01:00 · 065dce8d59
parent f3f568e382
commit 065dce8d59
1 changed files with 3 additions and 0 deletions
--- 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
 	 */