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SubjectRe: tracing: don't stuff stale pointers in filp->private_data
On Fri, Sep 20, 2013 at 12:47:32PM -0400, Dave Jones wrote:
> Probably harmless, but still not a nice thing to do.
>
> Signed-off-by: Dave Jones <davej@fedoraproject.org>
>
> diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
> index 368a4d5..75d3556 100644
> --- a/kernel/trace/trace_events.c
> +++ b/kernel/trace/trace_events.c
> @@ -1124,6 +1124,7 @@ static int system_tr_open(struct inode *inode, struct file *filp)
> if (ret < 0) {
> trace_array_put(tr);
> kfree(dir);
> + dir = NULL;
> }
>
> filp->private_data = dir;

Er... Why not simply return ret; instead?


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