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mwifiex: add missing skb_push() in mwifiex_check_uap_capabilties

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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 debfc60081 ("mwifiex: update
AP WMM settings from BSS_START event")

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Amitkumar Karwar 2015-07-27 05:02:27 -07:00 committed by Kalle Valo
parent d1c5409612
commit 6c63173211
1 changed files with 2 additions and 0 deletions
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drivers/net/wireless/mwifiex/uap_event.c
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@ -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);