[RESEND PATCH 4/4] kdump, oldmem: compare with saved_max_pfn exclusively

[d.hatayama@xxxxxxxxxxxxxx (HATAYAMA Daisuke)]

Signed-off-by: HATAYAMA Daisuke <d.hatayama at jp.fujitsu.com>
---

 drivers/char/mem.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index c6fa3bc..5da737c 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -369,7 +369,7 @@ static ssize_t read_oldmem(struct file *file, char __user *buf,
 
 	while (count) {
 		pfn = *ppos / PAGE_SIZE;
-		if (pfn > saved_max_pfn)
+		if (!(pfn < saved_max_pfn))
 			return read;
 
 		offset = (unsigned long)(*ppos % PAGE_SIZE);