From 1923b99a0f4748aa6be0b9b9523ce224a3449b17 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@cse.unsw.edu.au>
Date: Fri, 9 Sep 2005 16:23:43 -0700
Subject: [PATCH] [PATCH] md: don't allow new md/bitmap file to be set if one
already exists
... otherwise we loose a reference and can never free the file.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
drivers/md/md.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 373ab92e367b8..63c566165189a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2430,7 +2430,7 @@ static int set_bitmap_file(mddev_t *mddev, int fd)
{
int err;
- if (mddev->pers)
+ if (mddev->pers || mddev->bitmap_file)
return -EBUSY;
mddev->bitmap_file = fget(fd);
--
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