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authorEric Dumazet <edumazet@google.com>2015-09-25 16:39:10 +0200
committerDavid S. Miller <davem@davemloft.net>2015-09-25 22:00:37 +0200
commit6f9c961546699ff8bc5e1c1c52200616867ec68a (patch)
treebbc0ff11d4654d58f95dd667cdb0b560eadc2b00 /include/net/dst.h
parenttcp: constify tcp_openreq_init_rwin() (diff)
downloadlinux-6f9c961546699ff8bc5e1c1c52200616867ec68a.tar.xz
linux-6f9c961546699ff8bc5e1c1c52200616867ec68a.zip
inet: constify ip_route_output_flow() socket argument
Very soon, TCP stack might call inet_csk_route_req(), which calls inet_csk_route_req() with an unlocked listener socket, so we need to make sure ip_route_output_flow() is not trying to change any field from its socket argument. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/dst.h')
-rw-r--r--include/net/dst.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index df0481a07029..779206c15f8b 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -489,7 +489,8 @@ struct flowi;
#ifndef CONFIG_XFRM
static inline struct dst_entry *xfrm_lookup(struct net *net,
struct dst_entry *dst_orig,
- const struct flowi *fl, struct sock *sk,
+ const struct flowi *fl,
+ const struct sock *sk,
int flags)
{
return dst_orig;
@@ -498,7 +499,7 @@ static inline struct dst_entry *xfrm_lookup(struct net *net,
static inline struct dst_entry *xfrm_lookup_route(struct net *net,
struct dst_entry *dst_orig,
const struct flowi *fl,
- struct sock *sk,
+ const struct sock *sk,
int flags)
{
return dst_orig;
@@ -511,11 +512,11 @@ static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)
#else
struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig,
- const struct flowi *fl, struct sock *sk,
+ const struct flowi *fl, const struct sock *sk,
int flags);
struct dst_entry *xfrm_lookup_route(struct net *net, struct dst_entry *dst_orig,
- const struct flowi *fl, struct sock *sk,
+ const struct flowi *fl, const struct sock *sk,
int flags);
/* skb attached with this dst needs transformation if dst->xfrm is valid */