diff options
| author | Michael Brown | 2021-06-04 15:16:44 +0200 |
|---|---|---|
| committer | Michael Brown | 2021-06-04 15:16:44 +0200 |
| commit | 065dce8d5950938a7250a93c2630c4b53d2e8293 (patch) | |
| tree | 152824bd48de65141fad3644fa6ae55df4ec79e7 /src/drivers | |
| parent | [crypto] Add memory output constraints for big-integer inline assembly (diff) | |
| download | ipxe-065dce8d5950938a7250a93c2630c4b53d2e8293.tar.gz ipxe-065dce8d5950938a7250a93c2630c4b53d2e8293.tar.xz ipxe-065dce8d5950938a7250a93c2630c4b53d2e8293.zip | |
[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>
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/net/ath/ath5k/ath5k_eeprom.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/drivers/net/ath/ath5k/ath5k_eeprom.c b/src/drivers/net/ath/ath5k/ath5k_eeprom.c index 12519bc59..46f33d1e8 100644 --- 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 */ |