s390/sclp: Remove unused sclp_vt220_buffered_chars variable

allmodconfig with clang W=1 points out an unused global variable:

drivers/s390/char/sclp_vt220.c:85:12: error: variable
 'sclp_vt220_buffered_chars' set but not used [-Werror,-Wunused-but-set-global]

Just remove it.

Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 62979adcb381133c9c5fa7d825dfff28fc911256..4e2bf8186a5dca6b5b514da4708654f7fa754ba9 100644 (file)
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -81,9 +81,6 @@ static struct timer_list sclp_vt220_timer;
  * yet sent */
 static struct sclp_vt220_request *sclp_vt220_current_request;
 
-/* Number of characters in current request buffer */
-static int sclp_vt220_buffered_chars;
-
 /* Counter controlling core driver initialization. */
 static int __initdata sclp_vt220_init_count;
 
@@ -689,7 +686,6 @@ static int __init __sclp_vt220_init(int num_pages)
        timer_setup(&sclp_vt220_timer, sclp_vt220_timeout, 0);
        tty_port_init(&sclp_vt220_port);
        sclp_vt220_current_request = NULL;
-       sclp_vt220_buffered_chars = 0;
        sclp_vt220_flush_later = 0;
 
        /* Allocate pages for output buffering */