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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-10-24 21:32:36 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-25 13:09:44 -0700 |
| commit | 3cc77ec74e1583b50b8405114cdbd6b8ebb8c474 (patch) | |
| tree | 3f45e2ddfc224edd166b1cdc79ddff62532b4c7d /net | |
| parent | 198caeca3eb4c81bbdbeb34a870868002f89b3d2 (diff) | |
| download | linux-3cc77ec74e1583b50b8405114cdbd6b8ebb8c474.tar.gz linux-3cc77ec74e1583b50b8405114cdbd6b8ebb8c474.tar.bz2 linux-3cc77ec74e1583b50b8405114cdbd6b8ebb8c474.zip | |
net/802: add __rcu annotations
(struct net_device)->garp_port is rcu protected :
(struct garp_port)->applicants is rcu protected :
add __rcu annotation and proper rcu primitives.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/802/garp.c | 18 | ||||
| -rw-r--r-- | net/802/stp.c | 4 |
2 files changed, 11 insertions, 11 deletions
diff --git a/net/802/garp.c b/net/802/garp.c index 941f2a324d3a..c1df2dad8c6b 100644 --- a/net/802/garp.c +++ b/net/802/garp.c @@ -346,8 +346,8 @@ int garp_request_join(const struct net_device *dev, const struct garp_application *appl, const void *data, u8 len, u8 type) { - struct garp_port *port = dev->garp_port; - struct garp_applicant *app = port->applicants[appl->type]; + struct garp_port *port = rtnl_dereference(dev->garp_port); + struct garp_applicant *app = rtnl_dereference(port->applicants[appl->type]); struct garp_attr *attr; spin_lock_bh(&app->lock); @@ -366,8 +366,8 @@ void garp_request_leave(const struct net_device *dev, const struct garp_application *appl, const void *data, u8 len, u8 type) { - struct garp_port *port = dev->garp_port; - struct garp_applicant *app = port->applicants[appl->type]; + struct garp_port *port = rtnl_dereference(dev->garp_port); + struct garp_applicant *app = rtnl_dereference(port->applicants[appl->type]); struct garp_attr *attr; spin_lock_bh(&app->lock); @@ -546,11 +546,11 @@ static int garp_init_port(struct net_device *dev) static void garp_release_port(struct net_device *dev) { - struct garp_port *port = dev->garp_port; + struct garp_port *port = rtnl_dereference(dev->garp_port); unsigned int i; for (i = 0; i <= GARP_APPLICATION_MAX; i++) { - if (port->applicants[i]) + if (rtnl_dereference(port->applicants[i])) return; } rcu_assign_pointer(dev->garp_port, NULL); @@ -565,7 +565,7 @@ int garp_init_applicant(struct net_device *dev, struct garp_application *appl) ASSERT_RTNL(); - if (!dev->garp_port) { + if (!rtnl_dereference(dev->garp_port)) { err = garp_init_port(dev); if (err < 0) goto err1; @@ -601,8 +601,8 @@ EXPORT_SYMBOL_GPL(garp_init_applicant); void garp_uninit_applicant(struct net_device *dev, struct garp_application *appl) { - struct garp_port *port = dev->garp_port; - struct garp_applicant *app = port->applicants[appl->type]; + struct garp_port *port = rtnl_dereference(dev->garp_port); + struct garp_applicant *app = rtnl_dereference(port->applicants[appl->type]); ASSERT_RTNL(); diff --git a/net/802/stp.c b/net/802/stp.c index 53c8f77f0ccd..978c30b1b36b 100644 --- a/net/802/stp.c +++ b/net/802/stp.c @@ -21,8 +21,8 @@ #define GARP_ADDR_MAX 0x2F #define GARP_ADDR_RANGE (GARP_ADDR_MAX - GARP_ADDR_MIN) -static const struct stp_proto *garp_protos[GARP_ADDR_RANGE + 1] __read_mostly; -static const struct stp_proto *stp_proto __read_mostly; +static const struct stp_proto __rcu *garp_protos[GARP_ADDR_RANGE + 1] __read_mostly; +static const struct stp_proto __rcu *stp_proto __read_mostly; static struct llc_sap *sap __read_mostly; static unsigned int sap_registered; |