diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/mac.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 24dd794e31ea..154ac7a70982 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -16,6 +16,7 @@ #include <linux/acpi.h> #include <linux/of.h> #include <linux/bitfield.h> +#include <linux/random.h> #include "hif.h" #include "core.h" @@ -290,8 +291,15 @@ static int ath10k_send_key(struct ath10k_vif *arvif, key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; if (cmd == DISABLE_KEY) { - arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_NONE]; - arg.key_data = NULL; + if (flags & WMI_KEY_GROUP) { + /* Not all hardware handles group-key deletion operation + * correctly. Replace the key with a junk value to invalidate it. + */ + get_random_bytes(key->key, key->keylen); + } else { + arg.key_cipher = ar->wmi_key_cipher[WMI_CIPHER_NONE]; + arg.key_data = NULL; + } } return ath10k_wmi_vdev_install_key(arvif->ar, &arg); |