diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2023-10-19 23:13:03 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-10-19 23:29:01 +0300 |
| commit | 041c3466f39d7073bbc7fb91c4e5d14170d5eb08 (patch) | |
| tree | c74b553ca90bf3487afc3b04e874fda81f309a08 /net/ipv4/fib_semantics.c | |
| parent | f2cab25b0eb7bd735459059e2eb8d21d2569c41d (diff) | |
| parent | ce55c22ec8b223a90ff3e084d842f73cfba35588 (diff) | |
| download | linux-041c3466f39d7073bbc7fb91c4e5d14170d5eb08.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
net/mac80211/key.c
02e0e426a2fb ("wifi: mac80211: fix error path key leak")
2a8b665e6bcc ("wifi: mac80211: remove key_mtx")
7d6904bf26b9 ("Merge wireless into wireless-next")
https://lore.kernel.org/all/20231012113648.46eea5ec@canb.auug.org.au/
Adjacent changes:
drivers/net/ethernet/ti/Kconfig
a602ee3176a8 ("net: ethernet: ti: Fix mixed module-builtin object")
98bdeae9502b ("net: cpmac: remove driver to prepare for platform removal")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/fib_semantics.c')
| -rw-r--r-- | net/ipv4/fib_semantics.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 1ea82bc33ef1..5eb1b8d302bb 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1325,15 +1325,18 @@ __be32 fib_info_update_nhc_saddr(struct net *net, struct fib_nh_common *nhc, unsigned char scope) { struct fib_nh *nh; + __be32 saddr; if (nhc->nhc_family != AF_INET) return inet_select_addr(nhc->nhc_dev, 0, scope); nh = container_of(nhc, struct fib_nh, nh_common); - nh->nh_saddr = inet_select_addr(nh->fib_nh_dev, nh->fib_nh_gw4, scope); - nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid); + saddr = inet_select_addr(nh->fib_nh_dev, nh->fib_nh_gw4, scope); - return nh->nh_saddr; + WRITE_ONCE(nh->nh_saddr, saddr); + WRITE_ONCE(nh->nh_saddr_genid, atomic_read(&net->ipv4.dev_addr_genid)); + + return saddr; } __be32 fib_result_prefsrc(struct net *net, struct fib_result *res) @@ -1347,8 +1350,9 @@ __be32 fib_result_prefsrc(struct net *net, struct fib_result *res) struct fib_nh *nh; nh = container_of(nhc, struct fib_nh, nh_common); - if (nh->nh_saddr_genid == atomic_read(&net->ipv4.dev_addr_genid)) - return nh->nh_saddr; + if (READ_ONCE(nh->nh_saddr_genid) == + atomic_read(&net->ipv4.dev_addr_genid)) + return READ_ONCE(nh->nh_saddr); } return fib_info_update_nhc_saddr(net, nhc, res->fi->fib_scope); |