diff options
| author | Brian Norris <briannorris@chromium.org> | 2019-07-24 12:46:34 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-16 10:13:58 +0200 |
| commit | c12ea355ef01fc3fe90500cd6da0940e3218e740 (patch) | |
| tree | 86540473af6301294afdd1c8b77d0f7e7ee6414a /drivers/net/wireless/marvell/mwifiex/scan.c | |
| parent | 90ad23e8c5838166387684ec1b8d4d8f3b9913a6 (diff) | |
mwifiex: fix 802.11n/WPA detection
commit df612421fe2566654047769c6852ffae1a31df16 upstream.
Commit 63d7ef36103d ("mwifiex: Don't abort on small, spec-compliant
vendor IEs") adjusted the ieee_types_vendor_header struct, which
inadvertently messed up the offsets used in
mwifiex_is_wpa_oui_present(). Add that offset back in, mirroring
mwifiex_is_rsn_oui_present().
As it stands, commit 63d7ef36103d breaks compatibility with WPA (not
WPA2) 802.11n networks, since we hit the "info: Disable 11n if AES is
not supported by AP" case in mwifiex_is_network_compatible().
Fixes: 63d7ef36103d ("mwifiex: Don't abort on small, spec-compliant vendor IEs")
Cc: <stable@vger.kernel.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/scan.c')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/scan.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c index 29284f9a0646..67c334221077 100644 --- a/drivers/net/wireless/marvell/mwifiex/scan.c +++ b/drivers/net/wireless/marvell/mwifiex/scan.c @@ -181,7 +181,8 @@ mwifiex_is_wpa_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher) u8 ret = MWIFIEX_OUI_NOT_PRESENT; if (has_vendor_hdr(bss_desc->bcn_wpa_ie, WLAN_EID_VENDOR_SPECIFIC)) { - iebody = (struct ie_body *) bss_desc->bcn_wpa_ie->data; + iebody = (struct ie_body *)((u8 *)bss_desc->bcn_wpa_ie->data + + WPA_GTK_OUI_OFFSET); oui = &mwifiex_wpa_oui[cipher][0]; ret = mwifiex_search_oui_in_ie(iebody, oui); if (ret) |