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-rw-r--r--net/ipv4/devinet.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 03db15b..dc1665a 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -968,24 +968,19 @@ static __be32 confirm_addr_indev(struct in_device *in_dev, __be32 dst,
/*
* Confirm that local IP address exists using wildcards:
- * - dev: only on this interface, 0=any interface
+ * - in_dev: only on this interface, 0=any interface
* - dst: only in the same subnet as dst, 0=any dst
* - local: address, 0=autoselect the local address
* - scope: maximum allowed scope value for the local address
*/
-__be32 inet_confirm_addr(const struct net_device *dev, __be32 dst, __be32 local, int scope)
+__be32 inet_confirm_addr(struct in_device *in_dev,
+ __be32 dst, __be32 local, int scope)
{
__be32 addr = 0;
- struct in_device *in_dev;
-
- if (dev) {
- rcu_read_lock();
- if ((in_dev = __in_dev_get_rcu(dev)))
- addr = confirm_addr_indev(in_dev, dst, local, scope);
- rcu_read_unlock();
+ struct net_device *dev;
- return addr;
- }
+ if (in_dev != NULL)
+ return confirm_addr_indev(in_dev, dst, local, scope);
read_lock(&dev_base_lock);
rcu_read_lock();
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