Simon Arlott napsal(a): > On 22/05/07 21:06, Matthias Kaehlcke wrote: >> would the following resolve the problem? >> >> if(mutex_lock_interruptible(&info->write_mtx)) return >> -ERESTARTSYS >> >> thanks for your comments >> > > No. At least one user of tty_operations/tty_driver's write function > doesn't check the return value so it would never be retried, mutex_lock > should be used instead.
Who? There are some drivers that returns ERESTARTSYS from write function. regards, -- http://www.fi.muni.cz/~xslaby/ Jiri Slaby faculty of informatics, masaryk university, brno, cz e-mail: jirislaby gmail com, gpg pubkey fingerprint: B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/