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[PATCH] md: don't allow new md/bitmap file to be set if one already exists

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... 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>
This commit is contained in:
NeilBrown 2005-09-09 16:23:43 -07:00 committed by Linus Torvalds
parent 844e8d904a
commit 1923b99a0f
1 changed files with 1 additions and 1 deletions
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2
drivers/md/md.c
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@ -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);