mwifiex: correct packet length for packets from SDIO interface

[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / mwifiex / sdio.c

diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 139c9581aecca2617ee1c69fcad4e3e10ab733c5..047a6f348d3d606e0866dfce56f2808c4846d6a2 100644 (file)
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -930,7 +930,10 @@ 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) {