mirror of https://gitee.com/openkylin/linux.git
p54usb: bring first generation devices back to life
This patch fixes a serious regression (introduced by: "p54: fix memory management") that affected isl3886+net2280 usb devices operation. Signed-off-by: Christian Lamparter <chunkeey@web.de> Tested-by: Artur Skawina <art.08.09@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
parent
6ace2891a1
commit
6110781af0
|
@ -301,6 +301,8 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
|
||||||
struct net2280_tx_hdr *hdr;
|
struct net2280_tx_hdr *hdr;
|
||||||
struct net2280_reg_write *reg;
|
struct net2280_reg_write *reg;
|
||||||
int err = 0;
|
int err = 0;
|
||||||
|
__le32 addr = ((struct p54_hdr *) skb->data)->req_id;
|
||||||
|
__le16 len = cpu_to_le16(skb->len);
|
||||||
|
|
||||||
reg = kmalloc(sizeof(*reg), GFP_ATOMIC);
|
reg = kmalloc(sizeof(*reg), GFP_ATOMIC);
|
||||||
if (!reg)
|
if (!reg)
|
||||||
|
@ -325,8 +327,8 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
|
||||||
|
|
||||||
hdr = (void *)skb_push(skb, sizeof(*hdr));
|
hdr = (void *)skb_push(skb, sizeof(*hdr));
|
||||||
memset(hdr, 0, sizeof(*hdr));
|
memset(hdr, 0, sizeof(*hdr));
|
||||||
hdr->device_addr = ((struct p54_hdr *)skb->data)->req_id;
|
hdr->len = len;
|
||||||
hdr->len = cpu_to_le16(skb->len + sizeof(struct p54_hdr));
|
hdr->device_addr = addr;
|
||||||
|
|
||||||
usb_fill_bulk_urb(int_urb, priv->udev,
|
usb_fill_bulk_urb(int_urb, priv->udev,
|
||||||
usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg),
|
usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg),
|
||||||
|
|
Loading…
Reference in New Issue