Re: [Xen-devel] [PATCH v2 3/5] xenstore: add explicit memory context parameter to read_node()

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Jul 18, 2016 at 09:31:27AM +0200, Juergen Gross wrote:
> Add a parameter to xenstored read_node() function to explicitly
> specify the memory context to be used for allocations. This will make
> it easier to avoid memory leaks by using a context which is freed
> soon.
> 
> When calling read_node() select a sensible memory context for the new
> parameter by preferring a temporary one.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> ---
>  tools/xenstore/xenstored_core.c | 24 +++++++++++++-----------
>  1 file changed, 13 insertions(+), 11 deletions(-)
> 
> diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c
> index 9448ee8..e5c74f4 100644
> --- a/tools/xenstore/xenstored_core.c
> +++ b/tools/xenstore/xenstored_core.c
> @@ -398,7 +398,8 @@ bool is_child(const char *child, const char *parent)
>  }
>  
>  /* If it fails, returns NULL and sets errno. */
> -static struct node *read_node(struct connection *conn, const char *name)
> +static struct node *read_node(struct connection *conn, const void *mem,
> +                           const char *name)

Same here: mem -> ctx or context.

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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