| Date | Wed, 28 Sep 2011 15:00:14 -0700 | From | Greg KH <> | Subject | [050/244] md/linear: avoid corrupting structure while waiting for rcu_free to complete. |
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3.0-stable review patch. If anyone has any objections, please let us know.
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From: NeilBrown <neilb@suse.de>
commit 1b6afa17581027218088a18a9ceda600e0ddba7a upstream.
I don't know what I was thinking putting 'rcu' after a dynamically sized array! The array could still be in use when we call rcu_free() (That is the point) so we mustn't corrupt it.
Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/md/linear.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/md/linear.h +++ b/drivers/md/linear.h @@ -10,9 +10,9 @@ typedef struct dev_info dev_info_t; struct linear_private_data { + struct rcu_head rcu; sector_t array_sectors; dev_info_t disks[0]; - struct rcu_head rcu; };
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