From: Amitkumar Karwar Date: Mon, 27 Jul 2015 12:02:27 +0000 (-0700) Subject: mwifiex: add missing skb_push() in mwifiex_check_uap_capabilties X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6c6317321107bee5aad2d85d848b0597428343d8;p=linux-beck.git mwifiex: add missing skb_push() in mwifiex_check_uap_capabilties For PCIe/USB chipsets, preallocated skb buffers are reused for event handling. mwifiex_check_uap_capabilties() performs skb_pull(). This patch adds missing skb_push() to restore skb's data pointer/length. This bug was introduced by commit debfc6008169 ("mwifiex: update AP WMM settings from BSS_START event") Signed-off-by: Amitkumar Karwar Signed-off-by: Nishant Sarmukadam Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/mwifiex/uap_event.c b/drivers/net/wireless/mwifiex/uap_event.c index 492a8b3c636e..46c972a650a4 100644 --- a/drivers/net/wireless/mwifiex/uap_event.c +++ b/drivers/net/wireless/mwifiex/uap_event.c @@ -41,6 +41,8 @@ static int mwifiex_check_uap_capabilties(struct mwifiex_private *priv, mwifiex_dbg_dump(priv->adapter, EVT_D, "uap capabilties:", event->data, event->len); + skb_push(event, MWIFIEX_BSS_START_EVT_FIX_SIZE); + while ((evt_len >= sizeof(tlv_hdr->header))) { tlv_hdr = (struct mwifiex_ie_types_data *)curr; tlv_len = le16_to_cpu(tlv_hdr->header.len);