From 28831ee60b79bed50958c9cb0d2e76cdc98406f9 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Mon, 29 Nov 2010 10:22:10 +0200
Subject: [PATCH] vhost: better variable name in logging
We really store a page offset in write_address,
so rename it write_page to avoid confusion.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
drivers/vhost/vhost.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 4c256d15c249..38244f59cdd9 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -882,15 +882,15 @@ static int set_bit_to_user(int nr, void __user *addr)
static int log_write(void __user *log_base,
u64 write_address, u64 write_length)
{
+ u64 write_page = write_address / VHOST_PAGE_SIZE;
int r;
if (!write_length)
return 0;
write_length += write_address % VHOST_PAGE_SIZE;
- write_address /= VHOST_PAGE_SIZE;
for (;;) {
u64 base = (u64)(unsigned long)log_base;
- u64 log = base + write_address / 8;
- int bit = write_address % 8;
+ u64 log = base + write_page / 8;
+ int bit = write_page % 8;
if ((u64)(unsigned long)log != log)
return -EFAULT;
r = set_bit_to_user(bit, (void __user *)(unsigned long)log);
@@ -899,7 +899,7 @@ static int log_write(void __user *log_base,
if (write_length <= VHOST_PAGE_SIZE)
break;
write_length -= VHOST_PAGE_SIZE;
- write_address += 1;
+ write_page += 1;
}
return r;
}
--
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