diff options
| author | Amerigo Wang <amwang@redhat.com> | 2012-08-10 05:24:37 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-08-15 01:33:30 +0400 |
| commit | 47be03a28cc6c80e3aa2b3e8ed6d960ff0c5c0af (patch) | |
| tree | ba11046ff60d948cd4db06652e2483537387b3ca /drivers/net/team | |
| parent | ddf343f635fe4440cad528e12f96f28bd50aa099 (diff) | |
| download | linux-47be03a28cc6c80e3aa2b3e8ed6d960ff0c5c0af.tar.xz | |
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/team')
| -rw-r--r-- | drivers/net/team/team.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 87707ab39430..341b65dbbcd3 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -795,16 +795,17 @@ static void team_port_leave(struct team *team, struct team_port *port) } #ifdef CONFIG_NET_POLL_CONTROLLER -static int team_port_enable_netpoll(struct team *team, struct team_port *port) +static int team_port_enable_netpoll(struct team *team, struct team_port *port, + gfp_t gfp) { struct netpoll *np; int err; - np = kzalloc(sizeof(*np), GFP_KERNEL); + np = kzalloc(sizeof(*np), gfp); if (!np) return -ENOMEM; - err = __netpoll_setup(np, port->dev); + err = __netpoll_setup(np, port->dev, gfp); if (err) { kfree(np); return err; @@ -833,7 +834,8 @@ static struct netpoll_info *team_netpoll_info(struct team *team) } #else -static int team_port_enable_netpoll(struct team *team, struct team_port *port) +static int team_port_enable_netpoll(struct team *team, struct team_port *port, + gfp_t gfp) { return 0; } @@ -913,7 +915,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev) } if (team_netpoll_info(team)) { - err = team_port_enable_netpoll(team, port); + err = team_port_enable_netpoll(team, port, GFP_KERNEL); if (err) { netdev_err(dev, "Failed to enable netpoll on device %s\n", portname); @@ -1443,7 +1445,7 @@ static void team_netpoll_cleanup(struct net_device *dev) } static int team_netpoll_setup(struct net_device *dev, - struct netpoll_info *npifo) + struct netpoll_info *npifo, gfp_t gfp) { struct team *team = netdev_priv(dev); struct team_port *port; @@ -1451,7 +1453,7 @@ static int team_netpoll_setup(struct net_device *dev, mutex_lock(&team->lock); list_for_each_entry(port, &team->port_list, list) { - err = team_port_enable_netpoll(team, port); + err = team_port_enable_netpoll(team, port, gfp); if (err) { __team_netpoll_cleanup(team); break; |