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| author | Eric Dumazet <edumazet@google.com> | 2024-02-27 09:24:09 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-02-28 19:36:39 -0800 |
| commit | 0598f8f3bb77893a13105d47bb7dfe42f1dc1f4e (patch) | |
| tree | 46d9f5a898c8e044bbe5f1d8257e3a4311500827 /net/ipv4/igmp.c | |
| parent | e83ddcea65491efe29e12765996966509aa795d3 (diff) | |
| download | linux-0598f8f3bb77893a13105d47bb7dfe42f1dc1f4e.tar.gz linux-0598f8f3bb77893a13105d47bb7dfe42f1dc1f4e.tar.bz2 linux-0598f8f3bb77893a13105d47bb7dfe42f1dc1f4e.zip | |
inet: annotate devconf data-races
Add READ_ONCE() in ipv4_devconf_get() and corresponding
WRITE_ONCE() in ipv4_devconf_set()
Add IPV4_DEVCONF_RO() and IPV4_DEVCONF_ALL_RO() macros,
and use them when reading devconf fields.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240227092411.2315725-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/igmp.c')
| -rw-r--r-- | net/ipv4/igmp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index efeeca2b1328..717e97a389a8 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -120,12 +120,12 @@ */ #define IGMP_V1_SEEN(in_dev) \ - (IPV4_DEVCONF_ALL(dev_net(in_dev->dev), FORCE_IGMP_VERSION) == 1 || \ + (IPV4_DEVCONF_ALL_RO(dev_net(in_dev->dev), FORCE_IGMP_VERSION) == 1 || \ IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 1 || \ ((in_dev)->mr_v1_seen && \ time_before(jiffies, (in_dev)->mr_v1_seen))) #define IGMP_V2_SEEN(in_dev) \ - (IPV4_DEVCONF_ALL(dev_net(in_dev->dev), FORCE_IGMP_VERSION) == 2 || \ + (IPV4_DEVCONF_ALL_RO(dev_net(in_dev->dev), FORCE_IGMP_VERSION) == 2 || \ IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 2 || \ ((in_dev)->mr_v2_seen && \ time_before(jiffies, (in_dev)->mr_v2_seen))) |