On 10/13/2014 11:31 AM, Jason Wang wrote: > On 10/10/2014 09:03 PM, Markus Armbruster wrote: >> Jason Wang <jasow...@redhat.com> writes: >> >>> Commit 1ceef9f27359cbe92ef124bf74de6f792e71f6fb (net: multiqueue >>> support) tries to use set_pointer() and get_pointer() to set and get >>> NICPeers which is not a pointer defined in DEFINE_PROP_NETDEV. This >>> trick works but result a unclean and fragile implementation (e.g >>> print_netdev and parse_netdev). >>> >>> This patch solves this issue by not using set/get_pinter() and set and >>> get netdev directly in set_netdev() and get_netdev(). After this the >>> parse_netdev() and print_netdev() were no longer used and dropped from >>> the source. >>> >>> Cc: Markus Armbruster <arm...@redhat.com> >>> Cc: Stefan Hajnoczi <stefa...@redhat.com> >>> Cc: Peter Maydell <peter.mayd...@linaro.org> >>> Signed-off-by: Jason Wang <jasow...@redhat.com> >>> --- >>> Changes from V1: >>> - validate ncs pointer before accessing them, this fixes the qtest failure >>> on arm. >>> --- >>> hw/core/qdev-properties-system.c | 71 >>> ++++++++++++++++++++++------------------ >>> 1 file changed, 39 insertions(+), 32 deletions(-) >>> >>> diff --git a/hw/core/qdev-properties-system.c >>> b/hw/core/qdev-properties-system.c >>> index ae0900f..6939ea5 100644 >>> --- a/hw/core/qdev-properties-system.c >>> +++ b/hw/core/qdev-properties-system.c >>> @@ -176,41 +176,67 @@ PropertyInfo qdev_prop_chr = { >>> }; >>> [...] >>> goto err; >>> } >>> >>> for (i = 0; i < queues; i++) { >>> if (peers[i] == NULL) { >>> - ret = -ENOENT; >>> + err = -ENOENT; >>> goto err; >>> } >>> >>> if (peers[i]->peer) { >>> - ret = -EEXIST; >>> + err = -EEXIST; >>> goto err; >>> } >>> >>> if (ncs[i]) { >>> - ret = -EINVAL; >>> + err = -EINVAL; >> error_set_from_qdev_prop_error() does not accept -EINVAL, either. > Ok.
Just have a check, error_set_from_qdev_prop_error() can accept -EINVAL, so I will only call error_setg() directly for -E2BIG.