[libvirt] [PATCH] fix memory leak in virCopyLastError
Daniel P. Berrange
berrange at redhat.com
Fri Sep 14 10:10:31 UTC 2012
On Fri, Sep 14, 2012 at 02:24:15PM +0800, Hu Tao wrote:
> memset before virResetError will cause memory leak.
>
> virResetError and virCopyError, which calls virResetError, will do
> memset properly, so we don't have to worry about it here.
>
> ---
> src/util/virterror.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/src/util/virterror.c b/src/util/virterror.c
> index 7caa69e..46afd37 100644
> --- a/src/util/virterror.c
> +++ b/src/util/virterror.c
> @@ -276,8 +276,6 @@ int
> virCopyLastError(virErrorPtr to)
> {
> virErrorPtr err = virLastErrorObject();
> - /* We can't guarantee caller has initialized it to zero */
> - memset(to, 0, sizeof(*to));
> if (err)
> virCopyError(err, to);
> else
Concur with DV's NACK on this. It is the *callers* responsibility
to ensure that 'to' does not have any allocations, by calling
virResetError(&to) themselvs if needed.
Daniel
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