[3.5.y.z extended stable] Patch "mwifiex: correct packet length for packets from SDIO interface" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Fri Nov 29 14:03:17 UTC 2013

This is a note to let you know that I have just added a patch titled

    mwifiex: correct packet length for packets from SDIO interface

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:


If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see



>From 394b4372c80d58a7155f6c1702aef48cd0b69968 Mon Sep 17 00:00:00 2001
From: Avinash Patil <patila at marvell.com>
Date: Tue, 5 Nov 2013 15:01:44 -0800
Subject: mwifiex: correct packet length for packets from SDIO interface

commit d03b4aa77e1187b77dfe37d14a923547f00baa66 upstream.

While receiving a packet on SDIO interface, we allocate skb with
size multiple of SDIO block size. We need to resize this skb
after RX using packet length from RX header.

Signed-off-by: Avinash Patil <patila at marvell.com>
Signed-off-by: Bing Zhao <bzhao at marvell.com>
Signed-off-by: John W. Linville <linville at tuxdriver.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
 drivers/net/wireless/mwifiex/sdio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 821d9d2..44677fd 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -944,7 +944,10 @@ static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter,
 				    struct sk_buff *skb, u32 upld_typ)
 	u8 *cmd_buf;
+	__le16 *curr_ptr = (__le16 *)skb->data;
+	u16 pkt_len = le16_to_cpu(*curr_ptr);

+	skb_trim(skb, pkt_len);
 	skb_pull(skb, INTF_HEADER_LEN);

 	switch (upld_typ) {

More information about the kernel-team mailing list