[B.A.T.M.A.N.] [PATCH] batman-adv: use original printk in bat_printk

["Linus Lüssing" <linus.luessing@web.de>]

bat_printk is calling a printk which got previously
substituted because of the define in compat.h.
This patch removes the define for the scope of
bat_printk.c.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
---
diff --git a/batman-adv-kernelland/bat_printk.c b/batman-adv-kernelland/bat_printk.c
index a55eff3..556620a 100644
--- a/batman-adv-kernelland/bat_printk.c
+++ b/batman-adv-kernelland/bat_printk.c
@@ -35,6 +35,13 @@
 /* Works only for digits and letters, but small and fast */
 #define TOLOWER(x) ((x) | 0x20)
 
+/* We don't want to recursively call bat_printk here
+   because of the previous define in compat.h */
+#ifdef printk
+#define ___printk printk
+#undef printk
+#endif
+
 static int skip_atoi(const char **s)
 {
 	int i = 0;
@@ -853,3 +860,8 @@ asmlinkage int bat_printk(const char *fmt, ...)
 
 	return printk("foo:%s", buf);
 }
+
+#ifdef ___printk
+#define printk ___printk
+#undef ___printk
+#endif