staging: line6: use pr_err() instead of printk(KERN_ERR, ...)

Fix the following checkpatch.pl warning:

  WARNING: Prefer netdev_err(netdev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...
  #1861: FILE: staging/line6/driver.h:56:
  +       printk(KERN_ERR "line6usb driver bug: missing case in %s:%d\n", \

Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/line6/driver.h b/drivers/staging/line6/driver.h
index 1dd768c..2e0f134 100644 (file)
--- a/drivers/staging/line6/driver.h
+++ b/drivers/staging/line6/driver.h
@@ -53,7 +53,7 @@
 #define LINE6_CHANNEL_MASK 0x0f
 
 #define MISSING_CASE   \
-       printk(KERN_ERR "line6usb driver bug: missing case in %s:%d\n", \
+       pr_err("line6usb driver bug: missing case in %s:%d\n", \
                __FILE__, __LINE__)
 
 #define CHECK_RETURN(x)                \