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netpoll: use GFP_ATOMIC in slave_enable_netpoll() and __netpoll_setup()

Forráskód böngészése 
slave_enable_netpoll() and __netpoll_setup() may be called
with read_lock() held, so should use GFP_ATOMIC to allocate
memory. Eric suggested to pass gfp flags to __netpoll_setup().

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amerigo Wang
2012-08-10 01:24:37 +00:00
committed by David S. Miller
szülő ddf343f635
commit 47be03a28c
9 fájl változott, egészen pontosan 32 új sor hozzáadva és 28 régi sor törölve
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7
net/8021q/vlan_dev.c
Fájl megtekintése

@@ -669,19 +669,20 @@ static void vlan_dev_poll_controller(struct net_device *dev)
return;
}
static int vlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info *npinfo)
static int vlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info *npinfo,
gfp_t gfp)
{
struct vlan_dev_priv *info = vlan_dev_priv(dev);
struct net_device *real_dev = info->real_dev;
struct netpoll *netpoll;
int err = 0;
netpoll = kzalloc(sizeof(*netpoll), GFP_KERNEL);
netpoll = kzalloc(sizeof(*netpoll), gfp);
err = -ENOMEM;
if (!netpoll)
goto out;
err = __netpoll_setup(netpoll, real_dev);
err = __netpoll_setup(netpoll, real_dev, gfp);
if (err) {
kfree(netpoll);
goto out;