linux-kernel - [PATCH] staging:r8188eu: add iv length to frame data offset

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Date:   Tue, 21 Mar 2017 12:00:33 +0300
From:   Ivan Safonov <insafonov@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        Yamanappagouda Patil <goudapatilk@...il.com>,
        Luca Ceresoli <luca@...aceresoli.net>,
        Ivan Safonov <insafonov@...il.com>
Subject: [PATCH] staging:r8188eu: add iv length to frame data offset

If this frame contains IV/ICV fields, ether_type field located a little farther.

This bug already fixed here:
https://github.com/lwfinger/rtl8188eu/blob/master/core/rtw_recv.c#L569 .

Signed-off-by: Ivan Safonov <insafonov@...il.com>
---
 drivers/staging/rtl8188eu/core/rtw_recv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c
index 556be8c..96526fe 100644
--- a/drivers/staging/rtl8188eu/core/rtw_recv.c
+++ b/drivers/staging/rtl8188eu/core/rtw_recv.c
@@ -452,7 +452,7 @@ static struct recv_frame *portctrl(struct adapter *adapter,
 
 	if (auth_alg == 2) {
 		/* get ether_type */
-		ptr = ptr + pfhdr->attrib.hdrlen + LLC_HEADER_SIZE;
+		ptr = ptr + pfhdr->attrib.hdrlen + LLC_HEADER_SIZE + pfhdr->attrib.iv_len;
 		memcpy(&be_tmp, ptr, 2);
 		ether_type = ntohs(be_tmp);
 
-- 
2.10.2