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SubjectRe: [PATCH 16/17] tools lib traceevent: Unregister handler when scsi plugin unloaded
On Wed, 15 Jan 2014 10:45:39 +0900
Namhyung Kim <namhyung@kernel.org> wrote:

> The function handler should be unregistered when the plugin unloaded
> otherwise it'll try to access invalid memory.
>
> Cc: Jiri Olsa <jolsa@redhat.com>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> ---
> tools/lib/traceevent/plugin_scsi.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/tools/lib/traceevent/plugin_scsi.c b/tools/lib/traceevent/plugin_scsi.c
> index 6fb8e3e3fcad..64d688534518 100644
> --- a/tools/lib/traceevent/plugin_scsi.c
> +++ b/tools/lib/traceevent/plugin_scsi.c
> @@ -421,3 +421,10 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
> PEVENT_FUNC_ARG_VOID);
> return 0;
> }
> +
> +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
> +{
> + pevent_unregister_print_function(pevent,
> + process_scsi_trace_parse_cdb,
> + "scsi_trace_parse_cdb");
> +}

Seems we have a trend ;-)

Same for patch 17.

-- Steve



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