drivers/isdn/mISDN: Use printf extension %pV

Using %pV reduces the number of printk calls and
eliminates any possible message interleaving from
other printk calls.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/isdn/mISDN/layer2.c b/drivers/isdn/mISDN/layer2.c
index c97371788764..4ae75053c9d2 100644
--- a/drivers/isdn/mISDN/layer2.c
+++ b/drivers/isdn/mISDN/layer2.c
@@ -95,14 +95,20 @@ static void
 l2m_debug(struct FsmInst *fi, char *fmt, ...)
 {
         struct layer2 *l2 = fi->userdata;
+        struct va_format vaf;
         va_list va;
 
         if (!(*debug & DEBUG_L2_FSM))
                 return;
+
         va_start(va, fmt);
-        printk(KERN_DEBUG "l2 (sapi %d tei %d): ", l2->sapi, l2->tei);
-        vprintk(fmt, va);
-        printk("\n");
+
+        vaf.fmt = fmt;
+        vaf.va = &va;
+
+        printk(KERN_DEBUG "l2 (sapi %d tei %d): %pV\n",
+               l2->sapi, l2->tei, &vaf);
+
         va_end(va);
 }