For some weird reason I can't ascertain (translation "I think its
broken") the viocons driver calls directly into the n_tty ldisc code even
if another ldisc is in use. It'll probably break if you do that but I'm
just fixing the locking and adding a comment that its horked.
Signed-off-by: Alan Cox <[EMAIL PROTECTED]>
diff -u --new-file --recursive --exclude-from /usr/src/exclude
linux.vanilla-2.6.25-rc2-mm1/drivers/char/viocons.c
linux-2.6.25-rc2-mm1/drivers/char/viocons.c
--- linux.vanilla-2.6.25-rc2-mm1/drivers/char/viocons.c 2008-02-19
11:01:44.000000000 +0000
+++ linux-2.6.25-rc2-mm1/drivers/char/viocons.c 2008-02-20 11:49:24.000000000
+0000
@@ -704,8 +704,11 @@
case KDSKBLED:
return 0;
}
-
- return n_tty_ioctl(tty, file, cmd, arg);
+ /* FIXME: WTF is this being called for ??? */
+ lock_kernel();
+ ret = n_tty_ioctl(tty, file, cmd, arg);
+ unlock_kernel();
+ return ret;
}
/*
--
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/
