diff options
| author | Madhuparna Bhowmik | 2020-01-15 21:25:53 +0530 |
|---|---|---|
| committer | David S. Miller | 2020-01-17 10:57:22 +0100 |
| commit | f3265971ded98a069ad699b51b8a5ab95e9e5be1 (patch) | |
| tree | 73ee963f32b2ccd661d62db92a07b1aed19bc02f /drivers | |
| parent | 6bc8038035267d12df2bf78a8e1a5f07069fabb8 (diff) | |
net: xen-netback: hash.c: Use built-in RCU list checking
list_for_each_entry_rcu has built-in RCU and lock checking.
Pass cond argument to list_for_each_entry_rcu.
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>
Acked-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/xen-netback/hash.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c index 10d580c3dea3..6b7532f7c936 100644 --- a/drivers/net/xen-netback/hash.c +++ b/drivers/net/xen-netback/hash.c @@ -51,7 +51,8 @@ static void xenvif_add_hash(struct xenvif *vif, const u8 *tag, found = false; oldest = NULL; - list_for_each_entry_rcu(entry, &vif->hash.cache.list, link) { + list_for_each_entry_rcu(entry, &vif->hash.cache.list, link, + lockdep_is_held(&vif->hash.cache.lock)) { /* Make sure we don't add duplicate entries */ if (entry->len == len && memcmp(entry->tag, tag, len) == 0) @@ -102,7 +103,8 @@ static void xenvif_flush_hash(struct xenvif *vif) spin_lock_irqsave(&vif->hash.cache.lock, flags); - list_for_each_entry_rcu(entry, &vif->hash.cache.list, link) { + list_for_each_entry_rcu(entry, &vif->hash.cache.list, link, + lockdep_is_held(&vif->hash.cache.lock)) { list_del_rcu(&entry->link); vif->hash.cache.count--; kfree_rcu(entry, rcu); |