[Ocfs2-devel] [PATCH] ocfs2: free the mle while the res had one, to avoid mle memory leak.

[Eric Ren <zren@suse.com>]

Hi,
On 09/13/2016 03:52 PM, Guozhonghua wrote:
> In the function dlm_migrate_request_handler, while the ret is --EEXIST, the mle should be freed, otherwise the memory will be leaked.
Keep your commit comments within 75 or 78 (I don't remember clearly but git will warn
if you don't keep its rule) characters per line.
>
> Signed-off-by: Guozhonghua <guozhonghua@h3c.com>
>
> --- ocfs2.orig/dlm/dlmmaster.c  2016-09-13 15:18:13.602684325 +0800
Please use `git format-patch` to create patch. FYI:
http://wiki.openhatch.org/How_to_generate_patches_with_git_format-patch

Sorry, I don't familiar with ocfs2/dlm code, so cannot review this patch.

Eric
> +++ ocfs2/dlm/dlmmaster.c       2016-09-13 15:27:05.014675736 +0800
> @@ -3188,6 +3188,9 @@ int dlm_migrate_request_handler(struct o
>                                      migrate->new_master,
>                                      migrate->master);
>
> +       if (ret < 0)
> +               kmem_cache_free(dlm_mle_cache, mle);
> +
>          spin_unlock(&dlm->master_lock);
>   unlock:
>          spin_unlock(&dlm->spinlock);
>
>
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