Re: [PATCH] xfs_spaceman: fix potential memory leak by malloc in scan_ag

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On Thu, Jun 29, 2017 at 10:52:56AM -0500, Bill O'Donnell wrote:
> scan_ag mallocs memory that is potentially leaked. Add a free
> to alleviate the potential leak.
> 
> Fixes CoverityScan CID#1413772 (RESOURCE_LEAK)

/me feels like the coverity tags he's seen tend to take the format of:

    Addresses-Coverity-ID: 1091173
or
    Detected by CoverityScan, CID#1419681 ("Explicit null dereferenced")

though to be honest I don't know that there's really a standard.

<shrug> It probably ought to use one of the two more common formats, but
maybe I can just ask Eric to prettyplease fix it on the way in. :)

> Signed-off-by: Bill O'Donnell <billodo@xxxxxxxxxx>

Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

--D

> ---
>  spaceman/freesp.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/spaceman/freesp.c b/spaceman/freesp.c
> index 22aec821..367c95d1 100644
> --- a/spaceman/freesp.c
> +++ b/spaceman/freesp.c
> @@ -239,7 +239,9 @@ scan_ag(
>  			printf(_("%10u %10llu %10llu\n"), agno, freeexts,
>  					freeblks);
>  	}
> +	free(fsmap);
>  }
> +
>  static void
>  aglistadd(
>  	char		*a)
> -- 
> 2.13.0
> 
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