Re: Possible race condition in usb-serial.c

Oliver Neukum
2006-12-19T20:15:48Z

Am Dienstag, 19. Dezember 2006 20:21 schrieb J:
> Hi,
> I read usb-serial.c code (in 2.6.19) and I cannot
> figure out how it is
> supposed to prevent race condition and premature
> deletion of usb_serial
> structure. I see that the code attempts to protect
> usb_serial by ref
> counting, but it does not appear to be correct. I am
> not 100% sure in my
> findings, so I will appreciate if somebody will double
> check.

This code depends on protection from BKL.

Regards
Oliver