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net: dst: Make dst_destroy() static and return void.

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Since commit 52df157f17 ("xfrm: take refcnt of dst when creating
struct xfrm_dst bundle") dst_destroy() returns only NULL and no caller
cares about the return value.
There are no in in-tree users of dst_destroy() outside of the file.

Make dst_destroy() static and return void.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240202163746.2489150-1-bigeasy@linutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Sebastian Andrzej Siewior 2024-02-02 17:37:46 +01:00 committed by Paolo Abeni
parent ead21932c3
commit 03ba6dc035
2 changed files with 2 additions and 5 deletions
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1
include/net/dst.h
View File

@ -390,7 +390,6 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
void dst_init(struct dst_entry *dst, struct dst_ops *ops,
struct net_device *dev, int initial_obsolete,
unsigned short flags);
struct dst_entry *dst_destroy(struct dst_entry *dst);
void dst_dev_put(struct dst_entry *dst);
static inline void dst_confirm(struct dst_entry *dst)

6
net/core/dst.c
View File

@ -96,7 +96,7 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
}
EXPORT_SYMBOL(dst_alloc);
struct dst_entry *dst_destroy(struct dst_entry * dst)
static void dst_destroy(struct dst_entry *dst)
{
struct dst_entry *child = NULL;
@ -126,15 +126,13 @@ struct dst_entry *dst_destroy(struct dst_entry * dst)
dst = child;
if (dst)
dst_release_immediate(dst);
return NULL;
}
EXPORT_SYMBOL(dst_destroy);
static void dst_destroy_rcu(struct rcu_head *head)
{
struct dst_entry *dst = container_of(head, struct dst_entry, rcu_head);
dst = dst_destroy(dst);
dst_destroy(dst);
}
/* Operations to mark dst as DEAD and clean up the net device referenced