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Date: Fri, 13 Jan 2012 16:59:07 +0000 From: Wei Liu <wei.liu2@...rix.com> To: ian.campbell@...rix.com, konrad.wilk@...cle.com, xen-devel@...ts.xensource.com, netdev@...r.kernel.org CC: Wei Liu <wei.liu2@...rix.com> Subject: [RFC PATCH 4/6] netback: add module get/put operations along with vif connect/disconnect. If there is vif running and user unloads netback, it will certainly cause problems. Signed-off-by: Wei Liu <wei.liu2@...rix.com> --- drivers/net/xen-netback/interface.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 93cb212..3126028 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -323,6 +323,8 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref, if (vif->irq) return 0; + __module_get(THIS_MODULE); + err = xen_netbk_map_frontend_rings(vif, tx_ring_ref, rx_ring_ref); if (err < 0) goto err; @@ -405,4 +407,6 @@ void xenvif_disconnect(struct xenvif *vif) xen_netbk_unmap_frontend_rings(vif); free_netdev(vif->dev); + + module_put(THIS_MODULE); } -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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