[PATCH] x86: mm: use WARN_ONCE instead of printk and WARN_ON_ONCE

[Qing Wang]

From: Wang Qing <wangqing@xxxxxxxx>

Simply use WARN_ONCE instead of printk(KERN_WARNING, ...) and WARN_ON_ONCE.

Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
---
 arch/x86/mm/ioremap.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 026031b..af9a321
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -195,9 +195,8 @@ __ioremap_caller(resource_size_t phys_addr, unsigned long size,
 		return NULL;
 
 	if (!phys_addr_valid(phys_addr)) {
-		printk(KERN_WARNING "ioremap: invalid physical address %llx\n",
-		       (unsigned long long)phys_addr);
-		WARN_ON_ONCE(1);
+		WARN_ONCE(1, "ioremap: invalid physical address %llx\n",
+			 (unsigned long long)phys_addr);
 		return NULL;
 	}
 
-- 
2.7.4