Am Dienstag, 28. Januar 2003 13:54 schrieb Oliver Kurth:
> Hello!
>
> I wrote a new driver for Atmel at76c503 based USB wlan adapters. See
> the link below in my .signature.
What's wrong with the existing driver?
> Maybe someone wants to look over it. It is still in development,
> and supports only ad-hoc mode at the moment. There is one 'exotic'
> thing about it: it uses another module which I wrote to load the
> firmware, it is included in the package. It works as follows:
block = kmalloc(EXT_FW_BLOCK_SIZE, GFP_KERNEL|GFP_DMA);
if(block == NULL) return -ENOMEM;
Wrong. Use GFP_KERNEL only.
if(urb->status != 0){
if((urb->status != -ENOENT) &&
(urb->status != -ECONNRESET)) {
dbg(__FUNCTION__ " - nonzero write bulk status received: %d",
urb->status);
}
return;
Any error will lock up the device? Not nice.
struct ieee802_11_hdr *i802_11_hdr =
(struct ieee802_11_hdr *)&(tx_buffer->packet);
down(&dev->sem);
down() with spinlock held. Absolute taboo. There are severaly bugs
of this kind.
HTH
Oliver
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