Re: [PATCH] Revert "netpoll: Fix extra refcount release in netpoll_cleanup()"
On 04/05/16 13:58, Bjorn Helgaas wrote: This reverts commit 543e3a8da5a4c453e992d5351ef405d5e32f27d7. Direct callers of __netpoll_setup() depend on it to set np->dev, so we can't simply move that assignment up to netpoll_stup(). Reported-by: Bart Van Assche Signed-off-by: Bjorn Helgaas Tested-by: Bart Van Assche Thanks! Bart.
Re: [PATCH] Revert "netpoll: Fix extra refcount release in netpoll_cleanup()"
On Tue, Apr 05, 2016 at 03:58:22PM -0500, Bjorn Helgaas wrote: > This reverts commit 543e3a8da5a4c453e992d5351ef405d5e32f27d7. > > Direct callers of __netpoll_setup() depend on it to set np->dev, > so we can't simply move that assignment up to netpoll_stup(). > > Reported-by: Bart Van Assche > Signed-off-by: Bjorn Helgaas > --- > net/core/netpoll.c |3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/net/core/netpoll.c b/net/core/netpoll.c > index a57bd17..94acfc8 100644 > --- a/net/core/netpoll.c > +++ b/net/core/netpoll.c > @@ -603,6 +603,7 @@ int __netpoll_setup(struct netpoll *np, struct net_device > *ndev) > const struct net_device_ops *ops; > int err; > > + np->dev = ndev; > strlcpy(np->dev_name, ndev->name, IFNAMSIZ); > INIT_WORK(&np->cleanup_work, netpoll_async_cleanup); > > @@ -669,7 +670,6 @@ int netpoll_setup(struct netpoll *np) > goto unlock; > } > dev_hold(ndev); > - np->dev = ndev; > > if (netdev_master_upper_dev_get(ndev)) { > np_err(np, "%s is a slave device, aborting\n", np->dev_name); > @@ -770,7 +770,6 @@ int netpoll_setup(struct netpoll *np) > return 0; > > put: > - np->dev = NULL; > dev_put(ndev); > unlock: > rtnl_unlock(); > Acked-by: Neil Horman
[PATCH] Revert "netpoll: Fix extra refcount release in netpoll_cleanup()"
This reverts commit 543e3a8da5a4c453e992d5351ef405d5e32f27d7. Direct callers of __netpoll_setup() depend on it to set np->dev, so we can't simply move that assignment up to netpoll_stup(). Reported-by: Bart Van Assche Signed-off-by: Bjorn Helgaas --- net/core/netpoll.c |3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/core/netpoll.c b/net/core/netpoll.c index a57bd17..94acfc8 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -603,6 +603,7 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev) const struct net_device_ops *ops; int err; + np->dev = ndev; strlcpy(np->dev_name, ndev->name, IFNAMSIZ); INIT_WORK(&np->cleanup_work, netpoll_async_cleanup); @@ -669,7 +670,6 @@ int netpoll_setup(struct netpoll *np) goto unlock; } dev_hold(ndev); - np->dev = ndev; if (netdev_master_upper_dev_get(ndev)) { np_err(np, "%s is a slave device, aborting\n", np->dev_name); @@ -770,7 +770,6 @@ int netpoll_setup(struct netpoll *np) return 0; put: - np->dev = NULL; dev_put(ndev); unlock: rtnl_unlock();