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netns: Constify exported functions

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Mark function parameters as 'const' where possible.

Signed-off-by: Guillaume Nault <gnault@redhat.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guillaume Nault
2020-01-16 21:16:46 +01:00
committed by David S. Miller
parent 37fe45ad12
commit 56f200c78c
2 changed files with 8 additions and 8 deletions
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10
include/net/net_namespace.h
View File

@@ -347,9 +347,9 @@ static inline struct net *read_pnet(const possible_net_t *pnet)
#endif #endif
int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp); int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp);
int peernet2id(struct net *net, struct net *peer); int peernet2id(const struct net *net, struct net *peer);
bool peernet_has_id(struct net *net, struct net *peer); bool peernet_has_id(const struct net *net, struct net *peer);
struct net *get_net_ns_by_id(struct net *net, int id); struct net *get_net_ns_by_id(const struct net *net, int id);
struct pernet_operations { struct pernet_operations {
struct list_head list; struct list_head list;
@@ -427,7 +427,7 @@ static inline void unregister_net_sysctl_table(struct ctl_table_header *header)
} }
#endif #endif
static inline int rt_genid_ipv4(struct net *net) static inline int rt_genid_ipv4(const struct net *net)
{ {
return atomic_read(&net->ipv4.rt_genid); return atomic_read(&net->ipv4.rt_genid);
} }
@@ -459,7 +459,7 @@ static inline void rt_genid_bump_all(struct net *net)
rt_genid_bump_ipv6(net); rt_genid_bump_ipv6(net);
} }
static inline int fnhe_genid(struct net *net) static inline int fnhe_genid(const struct net *net)
{ {
return atomic_read(&net->fnhe_genid); return atomic_read(&net->fnhe_genid);
} }

6
net/core/net_namespace.c
View File

@@ -268,7 +268,7 @@ int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp)
EXPORT_SYMBOL_GPL(peernet2id_alloc); EXPORT_SYMBOL_GPL(peernet2id_alloc);
/* This function returns, if assigned, the id of a peer netns. */ /* This function returns, if assigned, the id of a peer netns. */
int peernet2id(struct net *net, struct net *peer) int peernet2id(const struct net *net, struct net *peer)
{ {
int id; int id;
@@ -283,12 +283,12 @@ EXPORT_SYMBOL(peernet2id);
/* This function returns true is the peer netns has an id assigned into the /* This function returns true is the peer netns has an id assigned into the
* current netns. * current netns.
*/ */
bool peernet_has_id(struct net *net, struct net *peer) bool peernet_has_id(const struct net *net, struct net *peer)
{ {
return peernet2id(net, peer) >= 0; return peernet2id(net, peer) >= 0;
} }
struct net *get_net_ns_by_id(struct net *net, int id) struct net *get_net_ns_by_id(const struct net *net, int id)
{ {
struct net *peer; struct net *peer;