Re: [ 29/68] kprobes: return proper error code from register_kprobe()

[Jonathan Nieder]

Hi,

Greg KH wrote:

> 3.0-stable review patch.  If anyone has any objections, please let me know.
>
> ------------------
>
> From: Prashanth Nageshappa <prashanth@xxxxxxxxxxxxxxxxxx>
>
> commit f986a499ef6f317d906e6f6f281be966e1237a10 upstream.

Looks good for 3.2.y.

This is a pointless no-op in 3.0.y, since it doesn't include commit
bc81d48d13d8 (kprobes: Return -ENOENT if probe point doesn't exist,
2011-06-29).

[...]
> This patch fixes it by returning -EINVAL upon failure.
[...]
> @@ -1396,7 +1398,7 @@ out:
>  
>  	return ret;
>  
> -fail_with_jump_label:
> +cannot_probe:
>  	preempt_enable();
>  	jump_label_unlock();
>  	return -EINVAL;

Hope that helps,
Jonathan
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