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md: don't call md_allow_write in get_bitmap_file. 

There is no really need as GFP_NOIO is very likely sufficient,
and failure is not catastrophic.

Calling md_allow_write here will convert a read-auto array to
read/write which could be confusing when you are just performing
a read operation.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2013-07-16 16:44:29 +10:00
parent d8dfad3876
commit 60559da4d8
1 changed files with 1 additions and 4 deletions
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5
drivers/md/md.c
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@ -5628,10 +5628,7 @@ static int get_bitmap_file(struct mddev * mddev, void __user * arg)
char *ptr, *buf = NULL;
int err = -ENOMEM;
if (md_allow_write(mddev))
file = kmalloc(sizeof(*file), GFP_NOIO);
else
file = kmalloc(sizeof(*file), GFP_KERNEL);
file = kmalloc(sizeof(*file), GFP_NOIO);
if (!file)
goto out;