Jiri Kosina wrote:
> On Fri, 19 Oct 2007, Larry Finger wrote:
>
>> As I said earlier, the lock problem went away; however, I get the
>> following two kernel warnings:
>
> That's because I messed up the patch, sorry. The one below should work
> better.
>
>
>
> From: Jiri Kosina <[email protected]>
>
> USB: usbserial - fix potential deadlock between write() and IRQ
>
> usb_serial_generic_write() doesn't disable interrupts when taking port->lock,
> and could therefore deadlock with usb_serial_generic_read_bulk_callback()
> being called from interrupt, taking the same lock. Fix it.
>
> Signed-off-by: Jiri Kosina <[email protected]>
It does work better. With it, I was able to make a dial-up connection and send pings over it.
Larry
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