1 files changed, 6 insertions, 2 deletions

diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index b3a531746026..5ad24a89b19b 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -7,9 +7,13 @@
 #undef DEBUG
 
 #ifdef DEBUG
-#define DBG(x...) printk(x)
+#define DBG(fmt, ...) printk(fmt, ##__VA_ARGS__)
 #else
-#define DBG(x...)
+#define DBG(fmt, ...)                           \
+do {                                            \
+        if (0)                                  \
+                printk(fmt, ##__VA_ARGS__);     \
+} while (0)
 #endif
 
 #define PCI_PROBE_BIOS          0x0001