--- /dev/null
+From df612421fe2566654047769c6852ffae1a31df16 Mon Sep 17 00:00:00 2001
+From: Brian Norris <briannorris@chromium.org>
+Date: Wed, 24 Jul 2019 12:46:34 -0700
+Subject: mwifiex: fix 802.11n/WPA detection
+
+From: Brian Norris <briannorris@chromium.org>
+
+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>
+
+
+---
+ drivers/net/wireless/mwifiex/main.h | 1 +
+ drivers/net/wireless/mwifiex/scan.c | 3 ++-
+ 2 files changed, 3 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/wireless/mwifiex/main.h
++++ b/drivers/net/wireless/mwifiex/main.h
+@@ -108,6 +108,7 @@ enum {
+
+ #define MWIFIEX_MAX_TOTAL_SCAN_TIME (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
+
++#define WPA_GTK_OUI_OFFSET 2
+ #define RSN_GTK_OUI_OFFSET 2
+
+ #define MWIFIEX_OUI_NOT_PRESENT 0
+--- a/drivers/net/wireless/mwifiex/scan.c
++++ b/drivers/net/wireless/mwifiex/scan.c
+@@ -151,7 +151,8 @@ mwifiex_is_wpa_oui_present(struct mwifie
+ if (((bss_desc->bcn_wpa_ie) &&
+ ((*(bss_desc->bcn_wpa_ie)).vend_hdr.element_id ==
+ 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)