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[PATCH] mwifiex: Fix skipped vendor specific IEs

From: <hidden>
Date: 2018-07-13 17:39:42
Also in: lkml, netdev
Subsystem: marvell mwifiex wireless driver, the rest · Maintainers: Brian Norris, Linus Torvalds

From: Roman Stratiienko <redacted>

Only microsoft specific IE is added by FW
Let other IEs to pass from userspace

Signed-off-by: Roman Stratiienko <redacted>
---
 drivers/net/wireless/marvell/mwifiex/ie.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/marvell/mwifiex/ie.c b/drivers/net/wireless/marvell/mwifiex/ie.c
index c488c30..c58b345 100644
--- a/drivers/net/wireless/marvell/mwifiex/ie.c
+++ b/drivers/net/wireless/marvell/mwifiex/ie.c
@@ -353,8 +353,16 @@ static int mwifiex_uap_parse_tail_ies(struct mwifiex_private *priv,
 		case WLAN_EID_HT_OPERATION:
 		case WLAN_EID_VHT_CAPABILITY:
 		case WLAN_EID_VHT_OPERATION:
-		case WLAN_EID_VENDOR_SPECIFIC:
 			break;
+		case WLAN_EID_VENDOR_SPECIFIC:
+			/* Skip only Microsoft IE that added by FW
+			 * Let other vendor specific IE to pass
+			 */
+			if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
+						    WLAN_OUI_TYPE_MICROSOFT_WMM,
+						    (const u8 *)hdr,
+						    hdr->len + sizeof(struct ieee_types_header)))
+				break;
 		default:
 			memcpy(gen_ie->ie_buffer + ie_len, hdr,
 			       hdr->len + sizeof(struct ieee_types_header));
-- 
2.7.4
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