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>

3 files changed, 3 insertions, 3 deletions

diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
index 8297dbc2e6ec..3c85d78c975c 100644
--- a/drivers/char/hvc_console.h
+++ b/drivers/char/hvc_console.h
@@ -48,7 +48,7 @@ struct hvc_struct {
         spinlock_t lock;
         int index;
         struct tty_struct *tty;
-        unsigned int count;
+        int count;
         int do_wakeup;
         char *outbuf;
         int outbuf_size;
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
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 59c6f9ab94e4..af055287271a 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -75,7 +75,7 @@ struct hvsi_struct {
         spinlock_t lock;
         int index;
         struct tty_struct *tty;
-        unsigned int count;
+        int count;
         uint8_t throttle_buf[128];
         uint8_t outbuf[N_OUTBUF]; /* to implement write_room and chars_in_buffer */
         /* inbuf is for packet reassembly. leave a little room for leftovers. */