1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 01551840d236..95af6f674a6c 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -18,9 +18,14 @@
 
 #define ACPI_GLUE_DEBUG 0
 #if ACPI_GLUE_DEBUG
-#define DBG(x...) printk(PREFIX x)
+#define DBG(fmt, ...)                                           \
+        printk(KERN_DEBUG PREFIX fmt, ##__VA_ARGS__)
 #else
-#define DBG(x...) do { } while(0)
+#define DBG(fmt, ...)                                           \
+do {                                                            \
+        if (0)                                                  \
+                printk(KERN_DEBUG PREFIX fmt, ##__VA_ARGS__);   \
+} while (0)
 #endif
 static LIST_HEAD(bus_type_list);
 static DECLARE_RWSEM(bus_type_sem);