dynamic_debug: make netdev_dbg() call __netdev_printk()

Previously, if dynamic debug was enabled netdev_dbg() was using
dynamic_dev_dbg() to print out the underlying msg. Fix this by making
sure netdev_dbg() uses __netdev_printk().

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 4fc03ddb05f2..ee3b9ba625c5 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -33,6 +33,7 @@
 #include <linux/hardirq.h>
 #include <linux/sched.h>
 #include <linux/device.h>
+#include <linux/netdevice.h>
 
 extern struct _ddebug __start___verbose[];
 extern struct _ddebug __stop___verbose[];
@@ -503,6 +504,30 @@ int __dynamic_dev_dbg(struct _ddebug *descriptor,
 }
 EXPORT_SYMBOL(__dynamic_dev_dbg);
 
+int __dynamic_netdev_dbg(struct _ddebug *descriptor,
+                      const struct net_device *dev, const char *fmt, ...)
+{
+        struct va_format vaf;
+        va_list args;
+        int res;
+
+        BUG_ON(!descriptor);
+        BUG_ON(!fmt);
+
+        va_start(args, fmt);
+
+        vaf.fmt = fmt;
+        vaf.va = &args;
+
+        res = dynamic_emit_prefix(descriptor);
+        res += __netdev_printk(KERN_CONT, dev, &vaf);
+
+        va_end(args);
+
+        return res;
+}
+EXPORT_SYMBOL(__dynamic_netdev_dbg);
+
 static __initdata char ddebug_setup_string[1024];
 static __init int ddebug_setup_query(char *str)
 {