vprintk(), just like printk(), better be using per-cpu printk_func
instead of direct vprintk_emit() call. Just in case if vprintk()
will ever be called from NMI, or from any other context that can
deadlock in printk().

Signed-off-by: Sergey Senozhatsky <sergey.senozhat...@gmail.com>
Reviewed-by: Steven Rostedt <rost...@goodmis.org>
Reviewed-by: Petr Mladek <pmla...@suse.com>
---
 kernel/printk/printk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index a3ce35e..9f2f44a 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1902,7 +1902,7 @@ EXPORT_SYMBOL(vprintk_emit);
 
 asmlinkage int vprintk(const char *fmt, va_list args)
 {
-       return vprintk_emit(0, LOGLEVEL_DEFAULT, NULL, 0, fmt, args);
+       return vprintk_func(fmt, args);
 }
 EXPORT_SYMBOL(vprintk);
 
-- 
2.10.2

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