[PATCH] uml: fix previous console locking

Eliminate the open_mutex after complaints from Blaisorblade.  It turns out
that the tty count provides the information needed to tell whether we are the
first opener or last closer.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 3477a858eaa9..1223f2c844b4 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -35,7 +35,6 @@ struct line {
         spinlock_t count_lock;
         int valid;
 
-        struct mutex open_mutex;
         char *init_str;
         int init_pri;
         struct list_head chan_list;