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Re: [dm-devel] Memory leak if failed to do RTPG.



This patch is still queued in dm-devel's patchwork and is still relevant
to upstream's multipath-tools:
https://patchwork.kernel.org/patch/17280/

On Wed, Apr 08 2009 at  6:11pm -0400,
Konrad Rzeszutek <konrad virtualiron com> wrote:

> We don't de-alloc the buf variable if we fail on the first
> do_rtpg call.
> ---
>  libmultipath/prioritizers/alua_rtpg.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/libmultipath/prioritizers/alua_rtpg.c b/libmultipath/prioritizers/alua_rtpg.c
> index 7151cdd..5a8a59f 100644
> --- a/libmultipath/prioritizers/alua_rtpg.c
> +++ b/libmultipath/prioritizers/alua_rtpg.c
> @@ -263,7 +263,7 @@ get_asymmetric_access_state(int fd, unsigned int tpg)
>  	}
>  	rc = do_rtpg(fd, buf, buflen);
>  	if (rc < 0)
> -		return rc;
> +		goto out;
>  	scsi_buflen = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3];
>  	if (buflen < (scsi_buflen + 4)) {
>  		free(buf);
> -- 
> 1.5.4.1
> 
> --
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