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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-04-30 00:54:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 08:29:47 -0700
commitf34d7a5b7010b82fe97da95496b9971435530062 (patch)
tree87e2abec1e33ed4fe5e63ee2fd000bc2ad745e57 /kernel/printk.c
parent251b8dd7eee30fda089a1dc088abf4fc9a0dee9c (diff)
downloadlinux-f34d7a5b7010b82fe97da95496b9971435530062.tar.gz
tty: The big operations rework
- Operations are now a shared const function block as with most other Linux objects - Introduce wrappers for some optional functions to get consistent behaviour - Wrap put_char which used to be patched by the tty layer - Document which functions are needed/optional - Make put_char report success/fail - Cache the driver->ops pointer in the tty as tty->ops - Remove various surplus lock calls we no longer need - Remove proc_write method as noted by Alexey Dobriyan - Introduce some missing sanity checks where certain driver/ldisc combinations would oops as they didn't check needed methods were present [akpm@linux-foundation.org: fix fs/compat_ioctl.c build] [akpm@linux-foundation.org: fix isicom] [akpm@linux-foundation.org: fix arch/ia64/hp/sim/simserial.c build] [akpm@linux-foundation.org: fix kgdb] Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Cc: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/printk.c')
-rw-r--r--kernel/printk.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index d3f9c0f788b..0d232589a92 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1272,8 +1272,8 @@ late_initcall(disable_boot_consoles);
*/
void tty_write_message(struct tty_struct *tty, char *msg)
{
- if (tty && tty->driver->write)
- tty->driver->write(tty, msg, strlen(msg));
+ if (tty && tty->ops->write)
+ tty->ops->write(tty, msg, strlen(msg));
return;
}