Remove unneeded empty string in definition of macro pr_fmt. No functional
change intended.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 mm/memory-failure.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 470c570d779c..ec482524158e 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -2518,7 +2518,7 @@ static int __init memory_failure_init(void)
 core_initcall(memory_failure_init);
 
 #undef pr_fmt
-#define pr_fmt(fmt)	"" fmt
+#define pr_fmt(fmt)	fmt
 #define unpoison_pr_info(fmt, pfn, rs)			\
 ({							\
 	if (__ratelimit(rs))				\
-- 
2.33.0