isdn: clean up debug format string usage

Avoid unneeded local string buffers for constructing debug output.  Also
cleans up debug calls that contain a single parameter so that they cannot
be accidentally parsed as format strings.

Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/isdn/hisax/jade_irq.c b/drivers/isdn/hisax/jade_irq.c
index f521fc8..b930da9 100644
--- a/drivers/isdn/hisax/jade_irq.c
+++ b/drivers/isdn/hisax/jade_irq.c
@@ -65,7 +65,7 @@
 		t += sprintf(t, "jade_empty_fifo %c cnt %d",
 			     bcs->hw.hscx.hscx ? 'B' : 'A', count);
 		QuickHex(t, ptr, count);
-		debugl1(cs, bcs->blog);
+		debugl1(cs, "%s", bcs->blog);
 	}
 }
 
@@ -105,7 +105,7 @@
 		t += sprintf(t, "jade_fill_fifo %c cnt %d",
 			     bcs->hw.hscx.hscx ? 'B' : 'A', count);
 		QuickHex(t, ptr, count);
-		debugl1(cs, bcs->blog);
+		debugl1(cs, "%s", bcs->blog);
 	}
 }