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staging: vt6656: remove ieee80211_hdr from vnt_usb_send_context.

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It is only used in one place were it can be pointed to at skb->data.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/556fab01-aa1e-154e-149e-c04feeb76efa@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2020-05-21 10:31:36 +01:00 committed by Greg Kroah-Hartman
parent 20edb44179
commit 461aac1cbc
2 changed files with 1 additions and 5 deletions
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1
drivers/staging/vt6656/device.h
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@ -238,7 +238,6 @@ struct vnt_rcb {
struct vnt_usb_send_context {
void *priv;
struct sk_buff *skb;
struct ieee80211_hdr *hdr;
void *tx_buffer;
unsigned int buf_len;
u32 frame_len;

5
drivers/staging/vt6656/rxtx.c
View File

@ -73,8 +73,6 @@ static struct vnt_usb_send_context
context = priv->tx_context[ii];
if (!context->in_use) {
context->in_use = true;
context->hdr = NULL;
return context;
}
}
@ -392,7 +390,7 @@ static void vnt_fill_txkey(struct vnt_usb_send_context *tx_context,
struct sk_buff *skb, u16 payload_len,
struct vnt_mic_hdr *mic_hdr)
{
struct ieee80211_hdr *hdr = tx_context->hdr;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
u64 pn64;
u8 *iv = ((u8 *)hdr + ieee80211_get_hdrlen_from_skb(skb));
@ -544,7 +542,6 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
tx_context->need_ack = false;
tx_context->frame_len = skb->len + 4;
tx_context->tx_rate = rate->hw_value;
tx_context->hdr = hdr;
spin_unlock_irqrestore(&priv->lock, flags);