powerpc: Make open count variables signed in hvcs/hvsi/hvc_console

Otherwise the tests for count < 0 will never be true.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index 473d9b14439a..6e6eb445d374 100644
--- a/drivers/char/hvcs.c
+++ b/drivers/char/hvcs.c
@@ -269,7 +269,7 @@ struct hvcs_struct {
         unsigned int index;
 
         struct tty_struct *tty;
-        unsigned int open_count;
+        int open_count;
 
         /*
          * Used to tell the driver kernel_thread what operations need to take