Re: [patch 1/2] ceph: null deref on allocation failure

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On Mon, Mar 28, 2011 at 8:25 PM, Dan Carpenter <error27@xxxxxxxxx> wrote:
>
> The original code checked "event_work" for allocation failures, but only
> after it had already use it.
>
> Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
>
> diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
> index 02212ed..b6776cb 100644
> --- a/net/ceph/osd_client.c
> +++ b/net/ceph/osd_client.c
> @@ -1602,11 +1602,11 @@ void handle_watch_notify(struct ceph_osd_client *osdc, struct ceph_msg *msg)
>             cookie, ver, event);
>        if (event) {
>                event_work = kmalloc(sizeof(*event_work), GFP_NOIO);
> -               INIT_WORK(&event_work->work, do_event_work);
>                if (!event_work) {
>                        dout("ERROR: could not allocate event_work\n");
>                        goto done_err;
>                }
> +               INIT_WORK(&event_work->work, do_event_work);
>                event_work->event = event;
>                event_work->ver = ver;
>                event_work->notify_id = notify_id;
> --
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Thanks.

This is already fixed in the latest master branch and will be sent to
Linus soon.

Yehuda
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