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authorAmerigo Wang <amwang@redhat.com>2012-08-10 01:24:37 +0000
committerDavid S. Miller <davem@davemloft.net>2012-08-14 14:33:30 -0700
commit47be03a28cc6c80e3aa2b3e8ed6d960ff0c5c0af (patch)
treeba11046ff60d948cd4db06652e2483537387b3ca /drivers/net/bonding
parentddf343f635fe4440cad528e12f96f28bd50aa099 (diff)
netpoll: use GFP_ATOMIC in slave_enable_netpoll() and __netpoll_setup()
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>
Diffstat (limited to 'drivers/net/bonding')
-rw-r--r--drivers/net/bonding/bond_main.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 6fae5f3ec7f6..8697136e27c0 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1235,12 +1235,12 @@ static inline int slave_enable_netpoll(struct slave *slave)
struct netpoll *np;
int err = 0;
- np = kzalloc(sizeof(*np), GFP_KERNEL);
+ np = kzalloc(sizeof(*np), GFP_ATOMIC);
err = -ENOMEM;
if (!np)
goto out;
- err = __netpoll_setup(np, slave->dev);
+ err = __netpoll_setup(np, slave->dev, GFP_ATOMIC);
if (err) {
kfree(np);
goto out;
@@ -1292,7 +1292,7 @@ static void bond_netpoll_cleanup(struct net_device *bond_dev)
read_unlock(&bond->lock);
}
-static int bond_netpoll_setup(struct net_device *dev, struct netpoll_info *ni)
+static int bond_netpoll_setup(struct net_device *dev, struct netpoll_info *ni, gfp_t gfp)
{
struct bonding *bond = netdev_priv(dev);
struct slave *slave;