vdpa: Fix error logic in vdpa_nl_cmd_dev_get_doit
mainline inclusion from mainline-v5.19-rc1 commit 7a6691f1 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I5WXCZ CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a6691f1f89784f775fa0c54be57533445726068 ---------------------------------------------------------------------- In vdpa_nl_cmd_dev_get_doit(), if the call to genlmsg_reply() fails we must not call nlmsg_free() since this is done inside genlmsg_reply(). Fix it. Fixes: bc0d90ee ("vdpa: Enable user to query vdpa device info") Reviewed-by: NSi-Wei Liu <si-wei.liu@oracle.com> Acked-by: NJason Wang <jasowang@redhat.com> Signed-off-by: NEli Cohen <elic@nvidia.com> Message-Id: <20220518133804.1075129-2-elic@nvidia.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NPengyuan Zhao <zhaopengyuan@hisilicon.com>
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