Messages in this thread | | | Date | Tue, 4 Feb 2003 17:51:09 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH][RESEND 3] disassociate_ctty SMP fix |
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Rik van Riel <riel@conectiva.com.br> wrote: > > ===== drivers/char/tty_io.c 1.55 vs edited ===== > --- 1.55/drivers/char/tty_io.c Tue Jan 14 23:37:20 2003 > +++ edited/drivers/char/tty_io.c Tue Feb 4 23:02:52 2003 > @@ -425,19 +425,21 @@ > */ > void do_tty_hangup(void *data) > { > - struct tty_struct *tty = (struct tty_struct *) data; > + struct tty_struct *tty; > struct file * cons_filp = NULL; > struct task_struct *p; > struct list_head *l; > struct pid *pid; > int closecount = 0, n; > > - if (!tty) > - return; > - > /* inuse_filps is protected by the single kernel lock */ > lock_kernel(); > - > + tty = (struct tty_struct *) data; > + if (!tty) { > + unlock_kernel(); > + return; > + } > + > check_tty_count(tty, "do_tty_hangup"); > file_list_lock(); > for (l = tty->tty_files.next; l != &tty->tty_files; l = l->next) {
This part is a no-op...
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