p54usb: Remove DMA buffer from stack
[linux-2.6.git] / drivers / net / wireless / p54 / p54usb.c
index 17e1995..92af9b9 100644 (file)
@@ -426,12 +426,16 @@ static const char p54u_romboot_3887[] = "~~~~";
 static int p54u_firmware_reset_3887(struct ieee80211_hw *dev)
 {
        struct p54u_priv *priv = dev->priv;
-       u8 buf[4];
+       u8 *buf;
        int ret;
 
-       memcpy(&buf, p54u_romboot_3887, sizeof(buf));
+       buf = kmalloc(4, GFP_KERNEL);
+       if (!buf)
+               return -ENOMEM;
+       memcpy(buf, p54u_romboot_3887, 4);
        ret = p54u_bulk_msg(priv, P54U_PIPE_DATA,
-                           buf, sizeof(buf));
+                           buf, 4);
+       kfree(buf);
        if (ret)
                dev_err(&priv->udev->dev, "(p54usb) unable to jump to "
                        "boot ROM (%d)!\n", ret);