drivers/char/synclink.c: unbreak mgsl_put_char()

Repair the effects of

commit 55da77899c1472d83452c914fa179d00ea96df65
Author: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date:   Wed Apr 30 00:54:07 2008 -0700

    synclink series: switch to int put_char method

    Signed-off-by: Alan Cox <alan@redhat.com>
    Cc: Paul Fulghum <paulkf@microgate.com>
    Cc: Jiri Slaby <jirislaby@gmail.com>
drivers/char/synclink_gt.c: In function 'put_char':
drivers/char/synclink_gt.c:919: warning: 'ret' may be used uninitialized in this function

and do some whitespace repair and unneeded-cast-removal in there as well.

Cc: Paul Fulghum <paulkf@microgate.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 513b7c2f3e264fc2dd809c7865ebd4b0dd66ee53..384464b016a87f6a1ed2dcc9c5534acf7e7998b1 100644 (file)
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -2028,13 +2028,13 @@ static void mgsl_change_params(struct mgsl_struct *info)
  */
 static int mgsl_put_char(struct tty_struct *tty, unsigned char ch)
 {
-       struct mgsl_struct *info = (struct mgsl_struct *)tty->driver_data;
+       struct mgsl_struct *info = tty->driver_data;
        unsigned long flags;
-       int ret;
+       int ret = 0;
 
-       if ( debug_level >= DEBUG_LEVEL_INFO ) {
-               printk( "%s(%d):mgsl_put_char(%d) on %s\n",
-                       __FILE__,__LINE__,ch,info->device_name);
+       if (debug_level >= DEBUG_LEVEL_INFO) {
+               printk("%s(%d):mgsl_put_char(%d) on %s\n",
+                       __FILE__, __LINE__, ch, info->device_name);
        }               
        
        if (mgsl_paranoia_check(info, tty->name, "mgsl_put_char"))
@@ -2043,9 +2043,9 @@ static int mgsl_put_char(struct tty_struct *tty, unsigned char ch)
        if (!tty || !info->xmit_buf)
                return 0;
 
-       spin_lock_irqsave(&info->irq_spinlock,flags);
+       spin_lock_irqsave(&info->irq_spinlock, flags);
        
-       if ( (info->params.mode == MGSL_MODE_ASYNC ) || !info->tx_active ) {
+       if ((info->params.mode == MGSL_MODE_ASYNC ) || !info->tx_active) {
                if (info->xmit_cnt < SERIAL_XMIT_SIZE - 1) {
                        info->xmit_buf[info->xmit_head++] = ch;
                        info->xmit_head &= SERIAL_XMIT_SIZE-1;
@@ -2053,7 +2053,7 @@ static int mgsl_put_char(struct tty_struct *tty, unsigned char ch)
                        ret = 1;
                }
        }
-       spin_unlock_irqrestore(&info->irq_spinlock,flags);
+       spin_unlock_irqrestore(&info->irq_spinlock, flags);
        return ret;
        
 }      /* end of mgsl_put_char() */