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| Started by | David Sterba <dsterba@suse.cz> |
|---|---|
| First post | 2016-02-01 15:40 +0100 |
| Last post | 2016-02-01 15:40 +0100 |
| Articles | 1 — 1 participant |
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Re: [PATCH 3/5] btrfs: Use radix_tree_iter_retry() David Sterba <dsterba@suse.cz> - 2016-02-01 15:40 +0100
| From | David Sterba <dsterba@suse.cz> |
|---|---|
| Date | 2016-02-01 15:40 +0100 |
| Subject | Re: [PATCH 3/5] btrfs: Use radix_tree_iter_retry() |
| Message-ID | <qXnO7-4aB-133@gated-at.bofh.it> |
On Wed, Jan 27, 2016 at 04:17:50PM -0500, Matthew Wilcox wrote:
> From: Matthew Wilcox <willy@linux.intel.com>
>
> Even though this is a 'can't happen' situation, use the new
> radix_tree_iter_retry() pattern to eliminate a goto.
Andrew's tree contains a fixup for a build failure
> @@ -147,7 +146,7 @@ restart:
> /* Shouldn't happen but that kind of thinking creates CVE's */
> if (radix_tree_exception(eb)) {
> if (radix_tree_deref_retry(eb))
> - goto restart;
> + slot = radix_tree_iter_retry(iter);
slot = radix_tree_iter_retry(&iter);
http://ozlabs.org/~akpm/mmots/broken-out/btrfs-use-radix_tree_iter_retry-fix.patch
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