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| author | Eric Dumazet <edumazet@google.com> | 2022-06-23 04:34:47 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-06-24 11:34:38 +0100 |
| commit | b96ef16d2f837870daaea51c38cd50458b95ad5c (patch) | |
| tree | ef1ef9daa2a74e594000a2de71f4d2d61486133c /net/ipv6/ip6mr.c | |
| parent | 194366b28b8306b7a24596c57c09635ab2891252 (diff) | |
| download | lwn-b96ef16d2f837870daaea51c38cd50458b95ad5c.tar.gz lwn-b96ef16d2f837870daaea51c38cd50458b95ad5c.zip | |
ipmr: convert /proc handlers to rcu_read_lock()
We can use standard rcu_read_lock(), to get rid
of last read_lock(&mrt_lock) call points.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6mr.c')
| -rw-r--r-- | net/ipv6/ip6mr.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index f0a9bceb8e3c..7381cfdac3e3 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -404,7 +404,7 @@ static void ip6mr_free_table(struct mr_table *mrt) */ static void *ip6mr_vif_seq_start(struct seq_file *seq, loff_t *pos) - __acquires(mrt_lock) + __acquires(RCU) { struct mr_vif_iter *iter = seq->private; struct net *net = seq_file_net(seq); @@ -416,14 +416,14 @@ static void *ip6mr_vif_seq_start(struct seq_file *seq, loff_t *pos) iter->mrt = mrt; - read_lock(&mrt_lock); + rcu_read_lock(); return mr_vif_seq_start(seq, pos); } static void ip6mr_vif_seq_stop(struct seq_file *seq, void *v) - __releases(mrt_lock) + __releases(RCU) { - read_unlock(&mrt_lock); + rcu_read_unlock(); } static int ip6mr_vif_seq_show(struct seq_file *seq, void *v) |