[dm-devel] [PATCH] multipath: check setup_multipath return value.

[Benjamin Marzinski]

Christophe, would it be possible to get this merged?

Thanks,
-Ben

On Wed, Jul 13, 2011 at 01:30:42PM -0500, Benjamin Marzinski wrote:
> When setup_multipath() fails, it removes the map. So update_path_groups()
> needs check the return value, and fail without touching the map anymore if
> setup_multipath() fails.
> 
> Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
> ---
>  multipathd/main.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> Index: multipath-tools-110713/multipathd/main.c
> ===================================================================
> --- multipath-tools-110713.orig/multipathd/main.c
> +++ multipath-tools-110713/multipathd/main.c
> @@ -1060,7 +1060,8 @@ int update_path_groups(struct multipath 
>  		return 1;
>  	}
>  	dm_lib_release();
> -	setup_multipath(vecs, mpp);
> +	if (setup_multipath(vecs, mpp) != 0)
> +		return 1;
>  	sync_map_state(mpp);
>  
>  	return 0;
> 
> --
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