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brcmfmac: fix returning cipher_suite for get_key operation. 

When multiple cipher suites have been programmed then the lowest
suite is to be retured. This fixes issue when AP mode is using
CCMP and TKIP WPA combination where rekeying will fail.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2013-04-02 21:06:19 +02:00 committed by John W. Linville
parent 5c33a94204
commit c5bf53a826
1 changed files with 4 additions and 8 deletions
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12
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
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@ -2121,8 +2121,7 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
err = -EAGAIN;
goto done;
}
switch (wsec & ~SES_OW_ENABLED) {
case WEP_ENABLED:
if (wsec & WEP_ENABLED) {
sec = &profile->sec;
if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
params.cipher = WLAN_CIPHER_SUITE_WEP40;
@ -2131,16 +2130,13 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
params.cipher = WLAN_CIPHER_SUITE_WEP104;
brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
}
break;
case TKIP_ENABLED:
} else if (wsec & TKIP_ENABLED) {
params.cipher = WLAN_CIPHER_SUITE_TKIP;
brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
break;
case AES_ENABLED:
} else if (wsec & AES_ENABLED) {
params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
break;
default:
} else {
brcmf_err("Invalid algo (0x%x)\n", wsec);
err = -EINVAL;
goto done;